spring mvc:输出json，输出多个json-白红宇

spring mvc:输出json，输出多个json

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发布时间：2019-06-21

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spring mvc:输出xml/输出json

用到的注解@ResponseBody

@ResponseBody用来输出json/xml等格式数据（非html）

controller输出用到的类

org.springframework.web.bind.annotation.ResponseBody

需要bean解析支持

用到的json插件


     	
     	
     	    
      
       com.fasterxml.jackson.core
      	    
      
       jackson-annotations
      	    
      
       2.7.4
      	
     		
     	
     	    
      
       com.fasterxml.jackson.core
      	    
      
       jackson-core
      	    
      
       2.7.4
      	
     		
     	
     	    
      
       com.fasterxml.jackson.core
      	    
      
       jackson-databind
      	    
      
       2.7.4

项目访问地址：http://localhost:8080/gugua3/person/list

包名：json

配置文件：web.xml, applicationContext.xml, json-servlet.xml

web.xml


       
      
       Archetype Created Web Application
        
      
       	
       
        contextConfigLocation
       	
       
        /WEB-INF/applicationContext.xml
       
      
        
         
       
        encodingFilter
          
       
        org.springframework.web.filter.CharacterEncodingFilter
          
              
        
         encoding
               
        
         UTF-8
           
         
        
            
       
        encodingFilter
             
       
        /*
         
       
      
      	
       
        org.springframework.web.context.ContextLoaderListener
       
      
            
       
        json
             
       
        org.springframework.web.servlet.DispatcherServlet
             
       
        1
         
        
            
       
        json
             
       
        /

applicationContext.xml

json-servlet.xml

Person.java

package json;public class Person {	String name;	String passwd;		public String getName() {		return name;	}	public void setName(String name) {		this.name = name;	}		public String getPasswd() {		return passwd;	}	public void setPasswd(String passwd) {		this.passwd = passwd;	}		}

PersonController.java

package json;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.bind.annotation.ResponseBody;@Controller@RequestMapping(value="/person")public class PersonController {	@RequestMapping(value="/list", method=RequestMethod.GET)	@ResponseBody	public Map
     
       getPerson()	{		List
      
        list = new ArrayList
       
        ();		Person person1 = new Person();		person1.setName("张三");		person1.setPasswd("123456");		list.add(person1);				Person person2 = new Person();		person2.setName("李四");		person2.setPasswd("456789");		list.add(person2);				Map
        
          maps = new HashMap
         
          (3);		maps.put("work", "研发");		maps.put("school", "suzhou");		maps.put("list", list);		return maps;			}	}