zoukankan      html  css  js  c++  java
  • beanutils中类型转换

    public void doPost(HttpServletRequest request, HttpServletResponse response)
                throws ServletException, IOException {
            
            MyBean myBean=new MyBean();
            HashMap map=new HashMap();
            Enumeration<String> enumeration=request.getParameterNames();
            while (enumeration.hasMoreElements()) {
                String name = (String) enumeration.nextElement();
                map.put(name, request.getParameterValues(name));
            }
            try {
                BeanUtils.populate(myBean, map);
            } catch (IllegalAccessException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (InvocationTargetException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            System.out.println(map);
        }

    index.jsp

    <form action="bean" method="post">
            <input type="text" value="张三" name="name" >
            <input type="text" value="李四" name="name" >
            <input type="submit" value="提交" >
        </form>

  • 相关阅读:
    [ARC117F]Gateau
    [ARC117D]Miracle Tree
    [loj3504]支配
    [gym102511K]Traffic Blights
    [loj3501]图函数
    [loj3503]滚榜
    [loj3500]矩阵游戏
    [loj2135]幻想乡战略游戏
    [cf720D]Slalom
    [cf1349E]Slime and Hats
  • 原文地址:https://www.cnblogs.com/danmao/p/4053360.html
Copyright © 2011-2022 走看看