这是一个thinkphp中的批量修改的案例:
如需要删除多项,或者同时修改多项记录
前端表单:
<span <</span><span form </span><span name</span><span ="form1"</span><span method</span><span ="post"</span><span action</span><span ="__GROUP__/Repair/updateList"</span><span ></span><span 对所选操作:</span><span <</span><span input </span><span type</span><span ="submit"</span><span value</span><span ="保 存"</span><span class</span><span ="btn btn-primary"</span><span ></span> <span <</span><span br</span><span ></span> <span <</span><span table </span><span id</span><span ="checkList"</span><span class</span><span ="list table table-hover"</span><span ></span> <span <</span><span tr</span><span ></span> <span <</span><span th </span><span scope</span><span ="col"</span><span ><</span><span input </span><span id</span><span ="check"</span><span type</span><span ="checkbox"</span><span onclick</span><span ="checkAll()"</span> <span /></span> 全选<span </</span><span th</span><span ></span> <span <</span><span th </span><span scope</span><span ="col"</span><span ></span>主题<span </</span><span th</span><span ></span> <span <</span><span th </span><span scope</span><span ="col"</span><span ></span>校区<span </</span><span th</span><span ></span> <span <</span><span th </span><span scope</span><span ="col"</span><span ></span>房间<span </</span><span th</span><span ></span> <span <</span><span th </span><span scope</span><span ="col"</span><span ></span>报修人<span </</span><span th</span><span ></span> <span <</span><span th </span><span scope</span><span ="col"</span><span ></span>联系电话<span </</span><span th</span><span ></span> <span <</span><span th </span><span scope</span><span ="col"</span><span ></span>报修时间<span </</span><span th</span><span ></span> <span <</span><span th </span><span scope</span><span ="col"</span><span ></span>审核<span </</span><span th</span><span ></span> <span <</span><span th </span><span scope</span><span ="col"</span><span ></span>报修状态<span </</span><span th</span><span ></span> <span </</span><span tr</span><span ></span> <span <</span><span volist </span><span name</span><span ="list"</span><span id</span><span ="vo"</span><span ></span> <span <</span><span tr</span><span ></span> <span <</span><span td</span><span ><</span><span input </span><span type</span><span ="checkbox"</span><span name</span><span ="key"</span><span value</span><span ="{$vo.id}"</span><span ></span>{$vo.id}<span <</span><span input </span><span type</span><span ="hidden"</span><span name</span><span ="id[]"</span><span value</span><span ="{$vo.id}"</span><span ></</span><span td</span><span ></span> <span <</span><span td</span><span ></span>{$vo.topic}<span </</span><span td</span><span ></span> <span <</span><span td</span><span ></span>{$vo.xiaoqu}<span </</span><span td</span><span ></span> <span <</span><span td</span><span ></span>{$vo.room}<span </</span><span td</span><span ></span> <span <</span><span td</span><span ></span>{$vo.pname}<span </</span><span td</span><span ></span> <span <</span><span td</span><span ></span>{$vo.phone}<span </</span><span td</span><span ></span> <span <</span><span td</span><span ></span>{$vo.create_time|date='Y-m-d H:i:s',###}<span </</span><span td</span><span ></span> <span <</span><span td</span><span ><</span><span select </span><span name</span><span ="check[]"</span><span ><</span><span switch </span><span name</span><span ="vo.check"</span><span ></span> <span <</span><span case </span><span value</span><span ="0"</span><span ></span> <span <</span><span option </span><span value</span><span ="0"</span><span selected</span><span ="selected"</span><span ></span>未审核<span </</span><span option</span><span ></span> <span <</span><span option </span><span value</span><span ="1"</span><span ></span>审核<span </</span><span option</span><span ></span> <span </</span><span case</span><span ></span> <span <</span><span default </span><span /></span> <span <</span><span option </span><span value</span><span ="0"</span><span ></span>未审核<span </</span><span option</span><span ></span> <span <</span><span option </span><span value</span><span ="1"</span><span selected</span><span ="selected"</span><span ></span>审核<span </</span><span option</span><span ></span> <span </</span><span switch</span><span ></</span><span select</span><span ></</span><span td</span><span ></span> <span <</span><span td</span><span ><</span><span select </span><span name</span><span ="status[]"</span><span ><</span><span switch </span><span name</span><span ="vo.status"</span><span ></span> <span <</span><span case </span><span value</span><span ="已修"</span><span ></span> <span <</span><span option </span><span value</span><span ="未修"</span><span ></span>未修<span </</span><span option</span><span ></span> <span <</span><span option </span><span value</span><span ="任务已下"</span><span ></span>任务已下<span </</span><span option</span><span ></span> <span <</span><span option </span><span value</span><span ="已修"</span><span selected</span><span ="selected"</span><span ></span>已修<span </</span><span option</span><span ></span> <span </</span><span case</span><span ></span> <span <</span><span case </span><span value</span><span ="任务已下"</span><span ></span> <span <</span><span option </span><span value</span><span ="未修"</span><span ></span>未修<span </</span><span option</span><span ></span> <span <</span><span option </span><span value</span><span ="任务已下"</span><span selected</span><span ="selected"</span><span ></span>任务已下<span </</span><span option</span><span ></span> <span <</span><span option </span><span value</span><span ="已修"</span><span ></span>已修<span </</span><span option</span><span ></span> <span </</span><span case</span><span ></span> <span <</span><span default </span><span /></span> <span <</span><span option </span><span value</span><span ="未修"</span><span selected</span><span ="selected"</span><span ></span>未修<span </</span><span option</span><span ></span> <span <</span><span option </span><span value</span><span ="任务已下"</span><span ></span>任务已下<span </</span><span option</span><span ></span> <span <</span><span option </span><span value</span><span ="已修"</span><span ></span>已修<span </</span><span option</span><span ></span> <span </</span><span switch</span><span ></</span><span select</span><span ></</span><span td</span><span ></span> <span </</span><span tr</span><span ></span> <span </</span><span volist</span><span ></span> <span </</span><span table</span><span ></span> <span </</span><span form</span><span ></span>
服务端处理:
<span /*</span><span * * 批量修改状态 </span><span */</span> <span public</span> <span function</span><span updateList() { </span><span $result</span> = <span false</span><span ; </span><span for</span>(<span $i</span> = 0; <span $i</span> < <span count</span> ( <span $_POST</span> [id] ); <span $i</span> ++<span ) { </span><span $id</span> = <span $_POST</span> [id] [<span $i</span><span ]; </span><span $check</span> = <span $_POST</span> [check] [<span $i</span><span ]; </span><span $status</span> = <span $_POST</span> [status] [<span $i</span><span ]; </span><span //</span><span 保存登录信息</span> <span $Repair</span> = M ( 'Repair'<span ); </span><span $data</span> ['id'] = <span $id</span><span ; </span><span $data</span> ['check'] = <span $check</span><span ; </span><span $data</span> ['status'] = <span $status</span><span ; </span><span $result</span> = <span $Repair</span>->save ( <span $data</span><span ); } </span><span if</span> (<span false</span> !== <span $result</span><span ) { </span><span $this</span>->success ( '修改成功!'<span ); } </span><span else</span><span { </span><span $this</span>->error ( '修改失败!'<span ); } } </span>

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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