Java 处理批量数据提交

在Java web开发过程中，处理表单数据是很重要一部分，常见的是form post处理单条数据的，但也会遇到一次提交多条数据到服务器的，如下：

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" alt="" />

jsp页面一般是采用循环插入input输入框的，并且所有的 id 与 name 是前缀相同的，方便服务端获取

 <c:forEach items="${objlist}" var="obj">
     <input id="key_${obj.Id}"  name="key_${obj.Id}"/>
 </c:forEach>

服务器端获取参数代码：

 @RequestMapping(value = "/xxxSave", method = RequestMethod.POST)
 public String payPropsSave(final HttpServletRequest request){

     final Enumeration<String> enums = request.getParameterNames(); //获取request所有参数

     final List<Obj> objList = new ArrayList<Obj>();

     while (enums.hasMoreElements()) {
         final String paramName = enums.nextElement().toString();
         if (paramName.startsWith("key_")) {       //过滤以key_开头的所有参数
             final String elementValue = request.getParameter(paramName);
             final Obj obj = new Obj();
             obj.setId(elementValue);
             .
             .
             .
             objList.add(props);
         }
     }

     objService.saveObjList(objList);
     ...
     ...
     ...

 return "xxx";

 }

以上是工作中积累，如有不妥，请讨论指正，转载注明地址