最近想做一个通过PHP实现DataGrid功能的东西,这样可以直接修改数据库中表的内容,而不用开发【新增数据页面】,【编辑页面】,于是乎在网上找了找,类似的东西也有几个,开源的、付费的都有,不过基本都是基于MySQL。由于需要连接Oracle所以从二次开发和页
最近想做一个通过PHP实现DataGrid功能的东西,这样可以直接修改数据库中表的内容,而不用开发【新增数据页面】,【编辑页面】,于是乎在网上找了找,类似的东西也有几个,开源的、付费的都有,不过基本都是基于MySQL。由于需要连接Oracle所以从二次开发和页面样式来说个人觉得phpMyDataGrid还是比较好上手。本篇首先介绍基于MySQL的使用方法,再简单介绍对于Oracle连接(基于sqlrelay)的二次开发。
1. 创建测试数据库和表
<span>create database </span>`guru`<span>;</span> <span>USE </span>`guru`<span>;</span> <span>CREATE TABLE </span>`employees` <span>( </span>`id` <span>int</span><span>(</span>6<span>) NOT NULL </span>auto_increment<span>, </span>`name` <span>char</span><span>(</span>20<span>) </span><span>default </span><span>NULL, </span>`lastname` <span>char</span><span>(</span>20<span>) </span><span>default </span><span>NULL, </span>`salary` <span>float default </span><span>NULL, </span>`age` <span>int</span><span>(</span>2<span>) </span><span>default </span><span>NULL, </span>`afiliation` <span>date default </span><span>NULL, </span>`status` <span>int</span><span>(</span>1<span>) </span><span>default </span><span>NULL, </span>`active` <span>tinyint</span><span>(</span>1<span>) </span><span>default </span><span>NULL, </span>`workeddays` <span>int</span><span>(</span>2<span>) </span><span>default </span><span>NULL, </span>`photo` <span>char</span><span>(</span>30<span>) </span><span>default </span><span>NULL, </span><span>PRIMARY KEY </span><span>(</span>`id`<span>) )</span> <span>insert into </span>`employees` <span>(</span>`id`<span>,</span>`name`<span>,</span>`lastname`<span>,</span>`salary`<span>,</span>`age`<span>,</span>`afiliation`<span>,</span>`status`<span>,</span>`active`<span>,</span>`workeddays`<span>,</span>`photo`<span>) </span><span>values </span><span>(</span>1<span>, </span><span>'Ana'</span><span>, </span><span>'Trujillo'</span><span>,</span>2000<span>,</span>45<span>, </span><span>'2005-05-13'</span><span>,</span>1<span>,</span>1<span>,</span>10<span>, </span><span>'1.jpg'</span><span>); </span><span>insert into </span>`employees` <span>(</span>`id`<span>,</span>`name`<span>,</span>`lastname`<span>,</span>`salary`<span>,</span>`age`<span>,</span>`afiliation`<span>,</span>`status`<span>,</span>`active`<span>,</span>`workeddays`<span>,</span>`photo`<span>) </span><span>values </span><span>(</span>2<span>, </span><span>'Jennifer'</span><span>, </span><span>'Aniston'</span><span>,</span>3500<span>,</span>23<span>, </span><span>'2004-10-22'</span><span>,</span>1<span>,</span>0<span>,</span>0<span>, </span><span>'2.jpg'</span><span>); </span><span>insert into </span>`employees` <span>(</span>`id`<span>,</span>`name`<span>,</span>`lastname`<span>,</span>`salary`<span>,</span>`age`<span>,</span>`afiliation`<span>,</span>`status`<span>,</span>`active`<span>,</span>`workeddays`<span>,</span>`photo`<span>) </span><span>values </span><span>(</span>3<span>, </span><span>'Michael'</span><span>, </span><span>'Norman'</span><span>,</span>1200<span>,</span>19<span>, </span><span>'2007-01-10'</span><span>,</span>1<span>,</span>1<span>,</span>5<span>, </span><span>'3.jpg'</span><span>); </span><span>insert into </span>`employees` <span>(</span>`id`<span>,</span>`name`<span>,</span>`lastname`<span>,</span>`salary`<span>,</span>`age`<span>,</span>`afiliation`<span>,</span>`status`<span>,</span>`active`<span>,</span>`workeddays`<span>,</span>`photo`<span>) </span><span>values </span><span>(</span>4<span>, </span><span>'Vanessa'</span><span>, </span><span>'Black'</span><span>,</span>6500<span>,</span>31<span>, </span><span>'2000-11-05'</span><span>,</span>1<span>,</span>1<span>,</span>30<span>, </span><span>'4.jpg'</span><span>); </span><span>insert into </span>`employees` <span>(</span>`id`<span>,</span>`name`<span>,</span>`lastname`<span>,</span>`salary`<span>,</span>`age`<span>,</span>`afiliation`<span>,</span>`status`<span>,</span>`active`<span>,</span>`workeddays`<span>,</span>`photo`<span>) </span><span>values </span><span>(</span>5<span>, </span><span>'Michael'</span><span>, </span><span>'Strauss'</span><span>,</span>3200<span>,</span>45<span>, </span><span>'2006-10-21'</span><span>,</span>2<span>,</span>0<span>,</span>22<span>, </span><span>'5.jpg'</span><span>); </span><span>insert into </span>`employees` <span>(</span>`id`<span>,</span>`name`<span>,</span>`lastname`<span>,</span>`salary`<span>,</span>`age`<span>,</span>`afiliation`<span>,</span>`status`<span>,</span>`active`<span>,</span>`workeddays`<span>,</span>`photo`<span>) </span><span>values </span><span>(</span>6<span>, </span><span>'William'</span><span>, </span><span>'Brown'</span><span>,</span>2300<span>,</span>21<span>, </span><span>'2001-03-10'</span><span>,</span>3<span>,</span>1<span>,</span>10<span>, </span><span>'6.jpg'</span><span>); </span><span>insert into </span>`employees` <span>(</span>`id`<span>,</span>`name`<span>,</span>`lastname`<span>,</span>`salary`<span>,</span>`age`<span>,</span>`afiliation`<span>,</span>`status`<span>,</span>`active`<span>,</span>`workeddays`<span>,</span>`photo`<span>) </span><span>values </span><span>(</span>7<span>, </span><span>'Lucca'</span><span>, </span><span>'Normany'</span><span>,</span>2800<span>,</span>36<span>, </span><span>'2006-10-02'</span><span>,</span>3<span>,</span>1<span>,</span>20<span>, </span><span>'7.jpg'</span><span>);</span>
2. PHP程序介绍
phpMyDataGrid主要是通过phpmydatagrid.class.php,dgscripts.js来实现的,总共加起来不到100kB,又是一个小巧的软件。对于这两个文件就不多讲了,感兴趣的同学可以“打包带走”回去慢慢品。主要介绍该软件的使用方法,即实例datagrid_for_mysql.php。先看一下页面示意图:
程序讲解:
<span><?php include </span><span>(</span><span>"phpmydatagrid.class.php"</span><span>)</span>; <span>$objGrid </span><span>= </span><span>new </span>datagrid; <span>$objGrid</span><span>-></span><span>(</span><span>true</span><span>)</span>; <span>$objGrid</span><span>-></span>friendlyHTML<span>()</span>; <span>$objGrid</span><span>-></span>methodForm<span>(</span><span>"get"</span><span>)</span>; <span>//连接数据库 </span><span>$objGrid</span><span>-></span>conectadb<span>(</span><span>"127.0.0.1"</span><span>, </span><span>"root"</span><span>, </span><span>"root"</span><span>, </span><span>"guru"</span><span>)</span>;<br><span>//加密字符串 </span><span>$objGrid</span><span>-></span>salt<span>(</span><span>"Myc0defor5tr0ng3r-Pro3EctiOn"</span><span>)</span>; <span>$objGrid</span><span>-></span>language<span>(</span><span>"en"</span><span>)</span>; <span>//最后一列显示的功能键,从左向右功能为“新增键”、“编辑键”、“删除键”、“浏览键”。 </span><span>$objGrid</span><span>-></span>buttons<span>(</span><span>true</span><span>,</span><span>true</span><span>,</span><span>true</span><span>,</span><span>true</span><span>)</span>; <span>//修改数值时产生的Form名称 </span><span>$objGrid</span><span>-></span>form<span>(</span><span>'employee'</span><span>, </span><span>true</span><span>)</span>; <span>//可检索列名 </span><span>$objGrid</span><span>-></span>searchby<span>(</span><span>"name,lastname"</span><span>)</span>; <span>//需要读取的表 </span><span>$objGrid</span><span>-></span>tabla<span>(</span><span>"employees"</span><span>)</span>; <span>//索引值用于修改数据 </span><span>$objGrid</span><span>-></span>keyfield<span>(</span><span>"id"</span><span>)</span>; <span>//分页显示行数 </span><span>$objGrid</span><span>-></span>datarows<span>(</span><span>20</span><span>)</span>; <span>//默认排序方式 </span><span>$objGrid</span><span>-></span>orderby<span>(</span><span>"name"</span><span>, </span><span>"ASC"</span><span>)</span>; <span>//显示列设置,相关设置可参考phpmydatagrid.class.php </span><span>$objGrid</span><span>-></span>FormatColumn<span>(</span><span>"id"</span><span>, </span><span>"ID Employee"</span><span>, </span><span>5</span><span>, </span><span>5</span><span>, </span><span>1</span><span>, </span><span>"50"</span><span>, </span><span>"center"</span><span>, </span><span>"integer"</span><span>)</span>; <span>$objGrid</span><span>-></span>FormatColumn<span>(</span><span>"name"</span><span>, </span><span>"Name"</span><span>, </span><span>30</span><span>, </span><span>30</span><span>, </span><span>0</span><span>, </span><span>"150"</span><span>, </span><span>"left"</span><span>)</span>; <span>$objGrid</span><span>-></span>FormatColumn<span>(</span><span>"lastname"</span><span>, </span><span>"Last name"</span><span>, </span><span>30</span><span>, </span><span>30</span><span>, </span><span>0</span><span>, </span><span>"150"</span><span>, </span><span>"left"</span><span>)</span>; <span>$objGrid</span><span>-></span>FormatColumn<span>(</span><span>"age"</span><span>, </span><span>"Age"</span><span>, </span><span>5</span><span>, </span><span>5</span><span>, </span><span>0</span><span>, </span><span>"50"</span><span>, </span><span>"right"</span><span>)</span>;<br><span>//自定义日期格式 </span><span>$objGrid</span><span>-></span>FormatColumn<span>(</span><span>"afiliation"</span><span>, </span><span>"Afiliation Date"</span><span>, </span><span>10</span><span>, </span><span>10</span><span>, </span><span>0</span><span>, </span><span>"100"</span><span>, </span><span>"center"</span><span>, </span><span>"date:dmy:/"</span><span>)</span>;<br><span>//编辑时可以自定义为<select>模式</select></span> <span>$objGrid</span><span>-></span>FormatColumn<span>(</span><span>"status"</span><span>, </span><span>"Status"</span><span>, </span><span>5</span><span>, </span><span>5</span><span>, </span><span>0</span><span>, </span><span>"60"</span><span>, </span><span>"left"</span><span>, </span><span>"select:1_Single:2_Married:3_Divorced"</span><span>)</span>; <span><span>//编辑时可以自定义为<checkbox>模式</checkbox></span> </span><span>$objGrid</span><span>-></span>FormatColumn<span>(</span><span>"active"</span><span>, </span><span>"Active"</span><span>, </span><span>2</span><span>, </span><span>2</span><span>, </span><span>0</span><span>,</span><span>"50"</span><span>, </span><span>"center"</span><span>, </span><span>"check:No:Yes"</span><span>)</span>;<br><span>//自定义货币显示形式</span> <span>$objGrid</span><span>-></span>FormatColumn<span>(</span><span>"salary"</span><span>, </span><span>"Salary"</span><span>, </span><span>10</span><span>, </span><span>10</span><span>, </span><span>0</span><span>, </span><span>"90"</span><span>, </span><span>"right"</span><span>, </span><span>"money:€"</span><span>)</span>;<br><span>//将数据以柱状图显示</span> <span>$objGrid</span><span>-></span>FormatColumn<span>(</span><span>"workeddays"</span><span>, </span><span>"Work days"</span><span>, </span><span>5</span><span>, </span><span>2</span><span>, </span><span>0</span><span>, </span><span>"50"</span><span>, </span><span>"right"</span><span>, </span><span>"chart:percent:val:31"</span><span>)</span>; <span>$objGrid</span><span>-></span>checkable<span>()</span>; <span>$objGrid</span><span>-></span>setHeader<span>()</span>; <span>$objGrid</span><span>-></span>ajax<span>(</span><span>'silent'</span><span>)</span>; <span>echo </span><span>' <title>PHPDataGrid</title> <div align="center"> <br>'; <span>//生成DataGrid </span><span>$objGrid</span><span>-></span>grid<span>()</span>; <span>echo </span><span>'</span> </div>'</span>;<br><span>//关闭数据库连接</span> <span>$objGrid</span><span>-></span>desconectar<span>()</span>; <span>?></span></span>
3. 基于Oracle简介
对于Oracle的读取主要是把phpmydatagrid.class.php中与MySQL连接的函数修改为Oracle,本篇是通过sqlrelay(可参考http://sqlrelay.sourceforge.net/)进行的Oracle连接,当然也可以使用PHP自带的OCI8模块(效率有些低),修改后另存为phporadatagrid.class.php即可在其他程序(datagrid_for_oracle.php)中调用。以上涉及的所有程序均可在压缩包中找到。
希望对大家有用!
4. 源程序下载

php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($number))”;2、利用“~”位运算符将负数取反加一,语法“~$number + 1”。

实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php字符串有下标。在PHP中,下标不仅可以应用于数组和对象,还可应用于字符串,利用字符串的下标和中括号“[]”可以访问指定索引位置的字符,并对该字符进行读写,语法“字符串名[下标值]”;字符串的下标值(索引值)只能是整数类型,起始值为0。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

查找方法:1、用strpos(),语法“strpos("字符串值","查找子串")+1”;2、用stripos(),语法“strpos("字符串值","查找子串")+1”。因为字符串是从0开始计数的,因此两个函数获取的位置需要进行加1处理。


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