EasyUI DataGrid结合ThinkPHP实现增删改查操作———初学者
EasyUI是基于jQuery的用户界面插件集合;DataGrid是数据表格;
ThinkPHP是快速、简单的基于MVC和面向对象的轻量级PHP开发框架。
使用的集成开发环境是 WAMPSever,(wampserver是一个集成了Apache、PHP和MySQL的开发套件,而且支持不同PHP版本、MySQL版本和Apache版本的切换)
效果如下:
主要代码如下
1、定义一个表格
<span style="color: #0000ff;"><span style="color: #800000;">table </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="dg"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="easyui-datagrid"</span><span style="color: #ff0000;"> title</span><span style="color: #0000ff;">="DataGrid Complex Toolbar"</span><span style="color: #ff0000;"> style</span><span style="color: #0000ff;">="width:700px;height:250px"</span><span style="color: #ff0000;"> data-options</span><span style="color: #0000ff;">="rownumbers:true,singleSelect:true,url:'{:U(read)}',method:'get',toolbar:'#tb'"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">thead</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">th </span><span style="color: #ff0000;">data-options</span><span style="color: #0000ff;">="field:'ID',width:80,align:'center'"</span><span style="color: #0000ff;">></span>ID<span style="color: #0000ff;"></span><span style="color: #800000;">th</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">th </span><span style="color: #ff0000;">data-options</span><span style="color: #0000ff;">="field:'Product',width:100"</span><span style="color: #0000ff;">></span>Product<span style="color: #0000ff;"></span><span style="color: #800000;">th</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">th </span><span style="color: #ff0000;">data-options</span><span style="color: #0000ff;">="field:'Content',width:500,align:'center'"</span><span style="color: #0000ff;">></span>Content<span style="color: #0000ff;"></span><span style="color: #800000;">th</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">thead</span><span style="color: #0000ff;">></span><span style="color: #0000ff;"></span><span style="color: #800000;">table</span><span style="color: #0000ff;">></span></span></span></span></span></span></span>
class="easyui-datagrid"是easyui里面自定义的格式,data-options用来初始化属性,这里面的属性包括rownumbers显示行数,singleSelect表示行的选中状态;
url:'{U(read)}'首先,ThinkPHP的U方法(参考:http://www.thinkphp.cn/info/132.html)用来完成对URL地址的组装,在模板中的调用采用 {:U('地址', '参数'…)} 的方式,其次,EasyUI采用的数据格式是json,控制器里面的read方法输出一个json格式的数据。toolbar:'#tb'这个是表格的工具栏,就是增加、删除和修改。
定义表格的工具栏如下:
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="tb"</span><span style="color: #ff0000;"> style</span><span style="color: #0000ff;">="padding:2px 5px;"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="javascript:void(0)"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="easyui-linkbutton"</span><span style="color: #ff0000;"> iconCls</span><span style="color: #0000ff;">="icon-add"</span><span style="color: #ff0000;"> plain</span><span style="color: #0000ff;">="true"</span><span style="color: #ff0000;"> onClick</span><span style="color: #0000ff;">="addPro()"</span><span style="color: #0000ff;">></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="javascript:void(0)"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="easyui-linkbutton"</span><span style="color: #ff0000;"> iconCls</span><span style="color: #0000ff;">="icon-edit"</span><span style="color: #ff0000;"> plain</span><span style="color: #0000ff;">="true"</span><span style="color: #ff0000;"> onclick</span><span style="color: #0000ff;">="editPro()"</span><span style="color: #0000ff;">></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="javascrtpt:void(0)"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="easyui-linkbutton"</span><span style="color: #ff0000;"> iconCls</span><span style="color: #0000ff;">="icon-remove"</span><span style="color: #ff0000;"> plain</span><span style="color: #0000ff;">="true"</span><span style="color: #ff0000;"> onclick</span><span style="color: #0000ff;">="removePro()"</span><span style="color: #0000ff;">></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span></span></span></span></span>
注意:这里面的id要和 toolbar:'#tb' 相对应;
2、点击增加和修改的时候要弹出一个对话框,代码如下:
<span style="color: #008000;"><!--</span><span style="color: #008000;">the page of dialog</span><span style="color: #008000;">--></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="dl"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="easyui-dialog"</span><span style="color: #ff0000;"> style</span><span style="color: #0000ff;">="width:400px;height:280px;padding:10px 20px"</span><span style="color: #ff0000;"> closed</span><span style="color: #0000ff;">="true"</span><span style="color: #ff0000;"> footer</span><span style="color: #0000ff;">="ft"</span><span style="color: #ff0000;"> buttons</span><span style="color: #0000ff;">="#dlg-buttons"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="ftitle"</span><span style="color: #0000ff;">></span>Information<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">form </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="am"</span><span style="color: #ff0000;"> method</span><span style="color: #0000ff;">="post"</span><span style="color: #ff0000;"> novalidate </span><span style="color: #0000ff;">></span><span style="color: #000000;"> Product:</span><span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text"</span><span style="color: #ff0000;"> name</span><span style="color: #0000ff;">="Product"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="easyui-validatebox"</span><span style="color: #ff0000;"> required</span><span style="color: #0000ff;">="true"</span><span style="color: #0000ff;">/></span><span style="color: #800000;">br</span><span style="color: #0000ff;">></span><span style="color: #000000;"> Content:</span><span style="color: #0000ff;"><span style="color: #800000;">Textarea </span><span style="color: #ff0000;">name</span><span style="color: #0000ff;">="Content"</span><span style="color: #ff0000;"> rows</span><span style="color: #0000ff;">="5"</span><span style="color: #ff0000;"> cols</span><span style="color: #0000ff;">="45"</span><span style="color: #0000ff;">></span><span style="color: #800000;">Textarea</span><span style="color: #0000ff;">></span><span style="color: #800000;">br</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">form</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> </span></span></span></span></span>
class='easyui-dialog'定义了一个对话框,因为要和后台交互,在这个对话框里面装了一个form,里面的input元素有些需要进行验证,required="true"表示必须填写元素
class="easyui-validatebox"定义了验证失败后的提示,buttons="#dlg-buttons"表示这个对话框下面的两个确认,取消按钮。novalidate表示不验证。
对话框中的按钮:
<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="dlg-buttons"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="javascript:void(0)"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="easyui-linkbutton"</span><span style="color: #ff0000;"> iconCls</span><span style="color: #0000ff;">="icon-ok"</span><span style="color: #ff0000;"> onclick</span><span style="color: #0000ff;">="savePro()"</span><span style="color: #0000ff;">></span>Save<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="javascript:void(0)"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="easyui-linkbutton"</span><span style="color: #ff0000;"> iconCls</span><span style="color: #0000ff;">="icon-cancel"</span><span style="color: #ff0000;"> onclick</span><span style="color: #0000ff;">="javascript:$('#dl').dialog('close')"</span><span style="color: #0000ff;">></span>Cancel<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">><br></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span></span></span></span>
3、页面js函数
<span style="color: #0000ff;"><span style="color: #800000;">script </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text/javascript"</span><span style="color: #0000ff;">></span> <span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> url; </span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;"> addPro(){ $(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">#dl</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).dialog(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">open</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).dialog(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">setTitle</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">,</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">New Information</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">); $(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">#am</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).form(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">clear</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">); url </span><span style="background-color: #f5f5f5; color: #000000;">=</span> <span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">__URL__/insert</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">; }</span> <span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;"> editPro(){ </span><span style="color: #ff0000;"><span style="background-color: #f5f5f5;">var</span><span style="background-color: #f5f5f5;"> row </span><span style="background-color: #f5f5f5;">=</span><span style="background-color: #f5f5f5;"> $(</span><span style="background-color: #f5f5f5;">"</span><span style="background-color: #f5f5f5;">#dg</span><span style="background-color: #f5f5f5;">"</span><span style="background-color: #f5f5f5;">).datagrid(</span><span style="background-color: #f5f5f5;">"</span><span style="background-color: #f5f5f5;">getSelected</span><span style="background-color: #f5f5f5;">"</span></span><span style="background-color: #f5f5f5; color: #000000;"><span style="color: #ff0000;">)</span>;//取得选中行 </span><span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;">(row){ $(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">#dl</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">).dialog(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">open</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">).dialog(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">setTitle</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">,</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">Change Information</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">); $(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">#am</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">).form(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">load</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">,row); url </span><span style="background-color: #f5f5f5; color: #000000;">=</span> <span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">__URL__/update?ID=</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">+</span><span style="background-color: #f5f5f5; color: #000000;">row.ID;</span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">为update方法准备访问url,注意是全局变量</span><span style="background-color: #f5f5f5; color: #000000;"> } } </span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;"> savePro(){ $(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">#am</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).form(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">submit</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">,{ url: url, onSubmit: </span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;">(){ </span><span style="background-color: #f5f5f5; color: #0000ff;">return</span><span style="background-color: #f5f5f5; color: #000000;"> $(</span><span style="background-color: #f5f5f5; color: #0000ff;">this</span><span style="background-color: #f5f5f5; color: #000000;">).form(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">validate</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">); }, success: </span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;">(result){ </span><span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> result </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> eval(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">+</span><span style="background-color: #f5f5f5; color: #000000;">result</span><span style="background-color: #f5f5f5; color: #000000;">+</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">)</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">); </span><span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;"> (result.success){ $(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">#dl</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).dialog(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">close</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">); </span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> close the dialog</span><span style="background-color: #f5f5f5; color: #000000;"> $(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">#dg</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).datagrid(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">reload</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">); </span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> reload the user data</span><span style="background-color: #f5f5f5; color: #000000;"> } </span><span style="background-color: #f5f5f5; color: #0000ff;">else</span><span style="background-color: #f5f5f5; color: #000000;"> { $.messager.show({ title: </span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">Error</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">, msg: result.msg }); } } }); } </span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;"> removePro() { </span><span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> row </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> $(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">#dg</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).datagrid(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">getSelected</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">); </span><span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;"> (row){ $.messager.confirm(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">Confirm</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">,</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">Are you sure you want to remove this row?</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">,</span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;">(r){ </span><span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;"> (r){ $.post(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">__URL__/delete</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">,{ID:row.ID},</span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;">(result){ </span><span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;"> (result.success){ $(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">#dg</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).datagrid(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">reload</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">); </span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> reload the user data</span><span style="background-color: #f5f5f5; color: #000000;"> } </span><span style="background-color: #f5f5f5; color: #0000ff;">else</span><span style="background-color: #f5f5f5; color: #000000;"> { $.messager.show({ </span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> show error message</span><span style="background-color: #f5f5f5; color: #000000;"> title: </span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">Error</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">, msg: result.msg }); } },</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">json</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">); } }); } } </span><span style="color: #0000ff;"></span><span style="color: #800000;">script</span><span style="color: #0000ff;">></span></span>
JS还不是很会,所以参考了网上的代码。 $.messager.show是EasyUI提供的消息提示框(参考:http://www.jeasyui.net/demo/371.html),可以在屏幕右下角显示一个消息窗口。$.messager.confirm是交互式消息,弹出一个消息确认框。var row = $("#dg").datagrid("getSelected");是取得选中行,而row.ID可以取得选中行的数据,其中ID是由field:'ID'决定。
4、控制器里面的代码(IndexAction.class.php)
<span style="color: #000000;">php</span><span style="color: #008000;">//</span><span style="color: #008000;"> 本类由系统自动生成,仅供测试用途</span><span style="color: #0000ff;">class</span> IndexAction <span style="color: #0000ff;">extends</span><span style="color: #000000;"> Action { </span><span style="color: #0000ff;">public</span> <span style="color: #0000ff;">function</span><span style="color: #000000;"> index(){ </span><span style="color: #800080;">$this</span>-><span style="color: #000000;">display(); } </span><span style="color: #0000ff;">public</span><span style="color: #0000ff;">function</span><span style="color: #000000;"> read(){</span>
<span style="color: #800080;">$Test</span> = M('test'<span>); </span><span style="color: #008000;">/*</span><span style="color: #008000;">$Total = $Test->count(); $Json = '{"total":'.$Total.',"rows":'.json_encode($Test->select()).'}';</span><span style="color: #008000;">*/</span> <span style="color: #800080;">$Json</span> = json_encode(<span style="color: #800080;">$Test</span>-><span>select()); </span><span style="color: #0000ff;">echo</span> <span style="color: #800080;">$Json</span><span>;</span>
<span style="color: #0000ff;"><span style="color: #000000; line-height: 1.5;"> }<br> <br></span> public</span> <span style="color: #0000ff;">function</span><span style="color: #000000;"> insert(){ </span><span style="color: #800080;">$data</span> = <span style="color: #800080;">$this</span>-><span style="color: #000000;">_post(); </span><span style="color: #800080;">$Test</span> = M('Test'<span style="color: #000000;">); </span><span style="color: #800080;">$result</span> = <span style="color: #800080;">$Test</span>->add(<span style="color: #800080;">$data</span><span style="color: #000000;">); </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$result</span><span style="color: #000000;">) { </span><span style="color: #0000ff;">echo</span> json_encode(<span style="color: #0000ff;">array</span>('success'=><span style="color: #0000ff;">true</span><span style="color: #000000;">)); }</span><span style="color: #0000ff;">else</span><span style="color: #000000;"> { </span><span style="color: #0000ff;">echo</span> json_encode(<span style="color: #0000ff;">array</span>('msg'=>'Some error occured'<span style="color: #000000;">)); } } </span><span style="color: #0000ff;">public</span> <span style="color: #0000ff;">function</span> update(<span style="color: #800080;">$ID</span>=0<span style="color: #000000;">){ </span><span style="color: #800080;">$Test</span> = M('test'<span style="color: #000000;">); </span><span style="color: #800080;">$ID</span> = <span style="color: #800080;">$_GET</span>['ID'<span style="color: #000000;">]; </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$Test</span>-><span style="color: #000000;">create()) { </span><span style="color: #800080;">$Test</span>->ID = <span style="color: #800080;">$ID</span><span style="color: #000000;">; </span><span style="color: #800080;">$result</span> = <span style="color: #800080;">$Test</span>-><span style="color: #000000;">save(); </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$result</span><span style="color: #000000;">) { </span><span style="color: #0000ff;">echo</span> json_encode(<span style="color: #0000ff;">array</span>('success'=><span style="color: #0000ff;">true</span><span style="color: #000000;">)); }</span><span style="color: #0000ff;">else</span><span style="color: #000000;"> { </span><span style="color: #0000ff;">echo</span> json_encode(<span style="color: #0000ff;">array</span>('msg'=>'Some error occured'<span style="color: #000000;">)); } }</span><span style="color: #0000ff;">else</span><span style="color: #000000;">{ </span><span style="color: #800080;">$this</span>->error(<span style="color: #800080;">$Test</span>-><span style="color: #000000;">getError()); } } </span><span style="color: #0000ff;">public</span> <span style="color: #0000ff;">function</span> delete(<span style="color: #800080;">$ID</span>=0<span style="color: #000000;">){ </span><span style="color: #800080;">$result</span> = <span style="color: #0000ff;">false</span><span style="color: #000000;">; </span><span style="color: #800080;">$Test</span> = M('test'<span style="color: #000000;">); </span><span style="color: #800080;">$result</span> = <span style="color: #800080;">$Test</span>->where('ID='.<span style="color: #800080;">$ID</span>)-><span style="color: #000000;">delete(); </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$result</span>==<span style="color: #0000ff;">false</span><span style="color: #000000;">){ </span><span style="color: #0000ff;">echo</span> json_encode(<span style="color: #0000ff;">array</span>('msg'=>'删除出错!'<span style="color: #000000;">)); }</span><span style="color: #0000ff;">else</span><span style="color: #000000;">{ </span><span style="color: #0000ff;">echo</span> json_encode(<span style="color: #0000ff;">array</span>('success'=><span style="color: #0000ff;">true</span><span style="color: #000000;">)); } } }</span>?>

PHP ist hauptsächlich prozedurale Programmierung, unterstützt aber auch die objektorientierte Programmierung (OOP). Python unterstützt eine Vielzahl von Paradigmen, einschließlich OOP, funktionaler und prozeduraler Programmierung. PHP ist für die Webentwicklung geeignet, und Python eignet sich für eine Vielzahl von Anwendungen wie Datenanalyse und maschinelles Lernen.

PHP entstand 1994 und wurde von Rasmuslerdorf entwickelt. Es wurde ursprünglich verwendet, um Website-Besucher zu verfolgen und sich nach und nach zu einer serverseitigen Skriptsprache entwickelt und in der Webentwicklung häufig verwendet. Python wurde Ende der 1980er Jahre von Guidovan Rossum entwickelt und erstmals 1991 veröffentlicht. Es betont die Lesbarkeit und Einfachheit der Code und ist für wissenschaftliche Computer, Datenanalysen und andere Bereiche geeignet.

PHP eignet sich für Webentwicklung und schnelles Prototyping, und Python eignet sich für Datenwissenschaft und maschinelles Lernen. 1.PHP wird für die dynamische Webentwicklung verwendet, mit einfacher Syntax und für schnelle Entwicklung geeignet. 2. Python hat eine kurze Syntax, ist für mehrere Felder geeignet und ein starkes Bibliotheksökosystem.

PHP bleibt im Modernisierungsprozess wichtig, da es eine große Anzahl von Websites und Anwendungen unterstützt und sich den Entwicklungsbedürfnissen durch Frameworks anpasst. 1.PHP7 verbessert die Leistung und führt neue Funktionen ein. 2. Moderne Frameworks wie Laravel, Symfony und Codesigniter vereinfachen die Entwicklung und verbessern die Codequalität. 3.. Leistungsoptimierung und Best Practices verbessern die Anwendungseffizienz weiter.

PhPhas significantantyPactedWebDevelopmentAndendendsbeyondit.1) iTpowersMAjorPlatforms-LikewordpressandExcelsInDatabaseInteractions.2) php'SadaptabilityAllowStoscaleForLargeApplicationsfraMe-Linien-Linien-Linien-Linienkripte

PHP -Typ -Eingabeaufforderungen zur Verbesserung der Codequalität und der Lesbarkeit. 1) Tipps zum Skalartyp: Da Php7.0 in den Funktionsparametern wie int, float usw. angegeben werden dürfen. 3) Eingabeaufforderung für Gewerkschaftstyp: Da Php8.0 in Funktionsparametern oder Rückgabetypen angegeben werden dürfen. 4) Nullierstyp Eingabeaufforderung: Ermöglicht die Einbeziehung von Nullwerten und Handlungsfunktionen, die Nullwerte zurückgeben können.

Verwenden Sie in PHP das Klonschlüsselwort, um eine Kopie des Objekts zu erstellen und das Klonierungsverhalten über die \ _ \ _ Clone Magic -Methode anzupassen. 1. Verwenden Sie das Klonschlüsselwort, um eine flache Kopie zu erstellen und die Eigenschaften des Objekts, nicht die Eigenschaften des Objekts zu klonen. 2. Die \ _ \ _ Klonmethode kann verschachtelte Objekte tief kopieren, um flache Kopierprobleme zu vermeiden. 3. achten Sie darauf, dass kreisförmige Referenzen und Leistungsprobleme beim Klonen vermieden werden, und optimieren Sie die Klonierungsvorgänge, um die Effizienz zu verbessern.

PHP eignet sich für Webentwicklungs- und Content -Management -Systeme, und Python eignet sich für Datenwissenschafts-, maschinelles Lernen- und Automatisierungsskripte. 1.PHP hat eine gute Leistung beim Erstellen von schnellen und skalierbaren Websites und Anwendungen und wird üblicherweise in CMS wie WordPress verwendet. 2. Python hat sich in den Bereichen Datenwissenschaft und maschinelles Lernen mit reichen Bibliotheken wie Numpy und TensorFlow übertrifft.


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