为什么最后显示的时候无法显示出数据
package com.imooc.test;
import com.imooc.entity.Phone;
import com.imooc.entity.PhoneList;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import java.util.Collection;
import java.util.Map;
@Controller("myhandle2")
@RequestMapping("handle2")
public class Myhandle2 {
@Autowired
private PhoneList phoneList;
@RequestMapping("phone")
public String phone(PhoneList phoneMap,Map<String, Collection<Phone>> map) {
for(String key:phoneMap.getPhoneMap().keySet()){
Phone phone = phoneMap.getPhoneMap().get(key);
System.out.println(phone);
phoneList.addPhone(phone);
}
map.put("phones", phoneList.getPhoneMap().values());
return "phone_list";
}
}<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ page isELIgnored="false" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>手机管理</title>
</head>
<body>
<div>
<table style="padding: 5px; margin: 10px" border="1">
<th colspan="3">
<h2>手机管理</h2>
</th>
<tr>
<td style="width: 150px">型号</td>
<td style="width: 150px">品牌</td>
<td style="width: 150px">价格</td>
</tr>
<c:forEach items="${phonesphones}" var="phone">
<tr>
<td style="width: 150px">${phone.id}</td>
<td style="width: 150px">${phone.name}</td>
<td style="width: 150px">${phone.price}</td>
</tr>
</c:forEach>
</table>
</div>
</body>
</html><%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Title</title> </head> <body> <form action="/handle2/phone"> <div> <table > <tr> <td rowspan="3">手机信息1:</td> <td><input name="phoneMap['one'].id" placeholder="编号"></td> </tr> <tr><td><input name="phoneMap['one'].name" placeholder="名称"></td></tr> <tr><td><input name="phoneMap['one'].price" placeholder="价格"></td></tr> </table> </div> <div> <table > <tr> <td rowspan="3">手机信息2:</td> <td><input name="phoneMap['two'].id" placeholder="编号"></td> </tr> <tr><td><input name="phoneMap['two'].name" placeholder="名称"></td></tr> <tr><td><input name="phoneMap['two'].price" placeholder="价格"></td></tr> </table> </div> <div> <table > <tr> <td rowspan="3">手机信息3:</td> <td><input name="phoneMap['three'].id" placeholder="编号"></td> </tr> <tr><td><input name="phoneMap['three'].name" placeholder="名称"></td></tr> <tr><td><input name="phoneMap['three'].price" placeholder="价格"></td></tr> </table> </div> <input type="submit" value="提交"> </form> </body> </html>
package com.imooc.entity;
import org.springframework.stereotype.Repository;
import java.util.*;
@Repository("PhoneList")
public class PhoneList {
private Map<String, Phone> phoneMap = new HashMap<String, Phone>();
public Map<String, Phone> getPhoneMap() {
return phoneMap;
}
public void setPhoneMap(Map<String, Phone> phoneMap) {
this.phoneMap = phoneMap;
}
public void addPhone(Phone phone){
phoneMap.put(phone.getId(), phone);
}
public Collection<Phone> getAll(){
return phoneMap.values();
}
}0
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