Java 处理批量数据提交

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

 1 @RequestMapping(value = "/xxxSave", method = RequestMethod.POST)
 2 public String payPropsSave(final HttpServletRequest request){
 3 
 4     final Enumeration<String> enums = request.getParameterNames(); //获取request所有参数
 5 
 6     final List<Obj> objList = new ArrayList<Obj>();
 7 
 8     while (enums.hasMoreElements()) {
 9         final String paramName = enums.nextElement().toString();
10         if (paramName.startsWith("key_")) {       //过滤以key_开头的所有参数
11             final String elementValue = request.getParameter(paramName);
12             final Obj obj = new Obj();
13             obj.setId(elementValue);
14             .
15             .
16             .
17             objList.add(props);
18         }
19     }
20 
21     objService.saveObjList(objList);
22     ...
23     ...
24     ...
25 
26 return "xxx";
27 
28 }