纯js遍历json获取值动态为select添加option
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遍历json数组 并动态为select添加option
直接上代码，重要部分有注解
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=0,viewport-fit=cover"> <link rel="stylesheet" href="https://res.wx.qq.com/open/libs/weui/1.1.2/weui-for-work.css"> <script type="text/javascript" src="../lib/zepto.min.js"></script> <script type="text/javascript" src="../lib/jquery-1.9.1.min.js"></script> <title>任务发布</title> </head> <body> <form method="post" action=""> <div class="weui-cells__title" style="margin-top: 30px">项目名称</div> <div class="weui-cells"> <div class="weui-cell"> <select class="weui-cell__bd" name="pro_id" id="sel"> </select> </div> </div> <div class="weui-cells__title" style="margin-top: 30px">任务名称</div> <div class="weui-cells"> <div class="weui-cell"> <div class="weui-cell__bd"> <input class="weui-input" type="text" placeholder="请输入任务名称" name="task_name"/> </div> </div> </div> <div class="weui-cells__title" style="margin-top: 30px">任务内容</div> <div class="weui-cells weui-cells_form"> <div class="weui-cell"> <div class="weui-cell__bd"> <textarea class="weui-textarea" placeholder="请输入内容" rows="7" name="task_content"></textarea> </div> </div> </div> <div class="weui-cells__title" style="margin-top: 30px">任务期限</div> <div class="weui-cells weui-cells_form"> <div class="weui-cell"> <div class="weui-cell__hd"><label class="weui-label">时间</label></div> <div class="weui-cell__bd"> <input class="weui-input" type="datetime-local" value="" placeholder="" name="task_time"/> </div> </div> </div> <div class="weui-cells__title" style="margin-top: 30px">任务级别</div> <div class="weui-cells weui-cells_radio"> <label class="weui-cell weui-check__label" for="x11"> <div class="weui-cell__bd"> <p>高</p> </div> <div class="weui-cell__ft"> <input type="radio" class="weui-check" name="radio1" id="x11" value="2"/> <span class="weui-icon-checked"></span> </div> </label> <label class="weui-cell weui-check__label" for="x12"> <div class="weui-cell__bd"> <p>中</p> </div> <div class="weui-cell__ft"> <input type="radio" name="radio1" class="weui-check" id="x12" checked="checked" value="1"/> <span class="weui-icon-checked"></span> </div> </label> <label class="weui-cell weui-check__label" for="x13"> <div class="weui-cell__bd"> <p>低</p> </div> <div class="weui-cell__ft"> <input type="radio" name="radio1" class="weui-check" id="x13" checked="checked" value="0"/> <span class="weui-icon-checked"></span> </div> </label> </div> <div class="weui-btn-area" style="margin-top: 30px ;padding-bottom: 100px"> <input class="weui-btn weui-btn_primary" onclick="sub()" value="确定" type="submit"/> </div> </form> <script type="text/javascript"> /** * 使用ajax获取服务器json 数组 */ var httpRequest = new XMLHttpRequest(); httpRequest.open(‘GET‘, ‘http://www.-------‘, true); /** * 获取数据后的处理程序 */ httpRequest.onreadystatechange = function () {//固定写法 if (httpRequest.readyState == 4 && httpRequest.status == 200) {//固定写法 var json = httpRequest.responseText;//获取到json字符串，还需解析 var obj = JSON.parse(json);//解析字符串---解析成object数组 for (var i = 0; i < obj.length; i++) { var pro = obj[i]; document.getElementById("sel").options.add(new Option(pro.corp_name, pro.project_id));//使用纯js为select动态添加option } } } httpRequest.send(); </script> </body> </html>
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