SpringMVC实现查询功能

 1 
 2  3     xmlns="http://java.sun.com/xml/ns/javaee"
 4     xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
 5     id="WebApp_ID" version="2.5">
 6 
 7     
 8     
 9         HiddenHttpMethodFilter
10         class>org.springframework.web.filter.HiddenHttpMethodFilterclass>
11     
12     
13         HiddenHttpMethodFilter
14         /*
15     
16     
17     
18     
19         springDispatcherServlet
20         org.springframework.web.servlet.DispatcherServlet
21         
22             contextConfigLocation
23             classpath:springmvc.xml
24         
25         1
26     
27 
28     
29     
30         springDispatcherServlet
31         /
32     
33 

 1 
 2  3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4     xmlns:c="http://www.springframework.org/schema/c"
 5     xmlns:aop="http://www.springframework.org/schema/aop"
 6     xmlns:cOntext="http://www.springframework.org/schema/context"
 7     xmlns:mvc="http://www.springframework.org/schema/mvc"
 8     xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.1.xsd
 9         http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd
10         http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
11         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd">
12     
13     
14     package="com.springmvc">
15 
16     
17     class="org.springframework.web.servlet.view.InternalResourceViewResolver">
18         
19         
20     
21     
22     
23     default-servlet-handler/>
24     
25     
26 
27 

 1 package com.springmvc.crud.entities;
 2 
 3 import java.util.Date;
 4 
 5 public class Employee {
 6 
 7     private Integer id;
 8     private String lastName;
 9     private String email;
10     //1 male, 0 female
11     private Integer gender;
12     
13     private Date birth;
14     private Float salary;
15 
16     public Integer getId() {
17         return id;
18     }
19 
20     public void setId(Integer id) {
21         this.id = id;
22     }
23 
24     public String getLastName() {
25         return lastName;
26     }
27 
28     public void setLastName(String lastName) {
29         this.lastName = lastName;
30     }
31 
32     public String getEmail() {
33         return email;
34     }
35 
36     public void setEmail(String email) {
37         this.email = email;
38     }
39 
40     public Integer getGender() {
41         return gender;
42     }
43 
44     public void setGender(Integer gender) {
45         this.gender = gender;
46     }
47 
48     public Date getBirth() {
49         return birth;
50     }
51 
52     public void setBirth(Date birth) {
53         this.birth = birth;
54     }
55 
56     public Float getSalary() {
57         return salary;
58     }
59 
60     public void setSalary(Float salary) {
61         this.salary = salary;
62     }
63 
64     @Override
65     public String toString() {
66         return "Employee [id=" + id + ", lastName=" + lastName + ", email="
67                 + email + ", gender=" + gender 
68                 + ", birth=" + birth + ", salary=" + salary + "]";
69     }
70 
71     public Employee(Integer id, String lastName, String email, Integer gender) {
72         super();
73         this.id = id;
74         this.lastName = lastName;
75         this.email = email;
76         this.gender = gender;
77     }
78 
79     public Employee() {
80     }
81 }

 1 package com.springmvc.crud.dao;
 2 
 3 import java.util.Collection;
 4 import java.util.HashMap;
 5 import java.util.Map;
 6 
 7 import org.springframework.beans.factory.annotation.Autowired;
 8 import org.springframework.stereotype.Repository;
 9 
10 import com.springmvc.crud.entities.Employee;
11 
12 @Repository
13 public class EmployeeDao {
14     
15     private static Map employees=null;
16     
17     /*@Autowired
18     private DepartmentDao departmentDao;*/
19     
20     static{
21         employees = new HashMap();
22         
23         employees.put(1001, new Employee(1001, "E-AA", "aa@163.com", 1));
24         employees.put(1002, new Employee(1002, "E-BB", "bb@163.com", 1));
25         employees.put(1003, new Employee(1003, "E-CC", "cc@163.com", 0));
26         employees.put(1004, new Employee(1004, "E-DD", "dd@163.com", 0));
27         employees.put(1005, new Employee(1005, "E-EE", "ee@163.com", 1));
28     }
29     
30     private static Integer initId=1006;
31     
32     public void save(Employee employee){
33         if(employee.getId()==null){
34             employee.setId(initId++);
35         }
36         //employee.setDepartment(departmentDao.getDepartment(employee.getDepartment().getId()));
37         employees.put(employee.getId(), employee);
38     }
39     
40     public Collection getAll(){
41         return employees.values();
42     }
43     public Employee get(Integer id){
44         return employees.get(id);
45     }
46     
47     public void delete(Integer id ){
48         employees.remove(id);
49     }
50     
51     
52 }

 1 package com.springmvc.crud.handler;
 2 
 3 import java.util.Map;
 4 
 5 import org.springframework.beans.factory.annotation.Autowired;
 6 import org.springframework.stereotype.Controller;
 7 import org.springframework.web.bind.annotation.RequestMapping;
 8 
 9 import com.springmvc.crud.dao.EmployeeDao;
10 
11 @Controller
12 public class EmployeeHandler {
13 
14     @Autowired
15     private EmployeeDao employeeDao;
16     
17     @RequestMapping("/listAll")
18     public String list(Map map){
19         map.put("employees",employeeDao.getAll());
20         return "list";
21     }
22 }

 1 <%@ page language="java" cOntentType="text/html; charset=UTF-8"
 2     pageEncoding="UTF-8"%>
 3 <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
 4 
 5 
 6 
 7 
 8 
 9 
10 
11     121314151617181920
21             22232425262728

         
         

             
ID
             
LastName
             
Email
             
Gender
         
         
         

                 
${emp.id }
                 
${emp.lastName }
                 
${emp.email }
                 
${emp.gender==0? ‘male‘ : ‘female‘ }
             
         
     
29 
30