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超轻量级php框架startmvc

spirngmvc js传递复杂json参数到controller的实例

更新时间:2020-07-04 03:06:01 作者:startmvc
SpringMVC在接收集合请求参数时,需要在Controller方法的集合参数里前添加@RequestBody,而@Request

Spring MVC在接收集合请求参数时,需要在Controller方法的集合参数里前添加@RequestBody,而@RequestBody默认接收的enctype (MIME编码)是application/json,因此发送POST请求时需要设置请求报文头信息,否则Spring MVC在解析集合请求参数时不会自动的转换成JSON数据再解析成相应的集合。

以下列举接收List<String>、List<User>、List<Map<String,Object>>、User[]、User(bean里面包含List)几种较为复杂的集合参数示例:

接收List<String>集合参数:

1、页面js代码:


var idList = new Array(); 
idList.push(“1”); 
idList.push(“2”); 
idList.push(“3”); 
var isBatch = false; 
$.ajax({ 
 type: "POST", 
 url: "<%=path%>/catalog.do?fn=deleteCatalogSchemes", 
 dataType: 'json', 
 data: {"idList":idList,"isBatch":isBatch}, 
 success: function(data){ 
 … 
 }, 
 error: function(res){ 
 … 
 } 
}); 

2、Controller方法:


@Controller 
@RequestMapping("/catalog.do") 
public class CatalogController { 
 
 @RequestMapping(params = "fn=deleteCatalogSchemes") 
 @ResponseBody 
 public AjaxJson deleteCatalogSchemes(@RequestParam("idList[]") List<String> idList,Boolean isBatch) { 
 … 
 } 
} 

接收List<User>、User[]集合参数:

1、User实体类:


public class User { 
 private String name; 
 private String pwd; 
 //省略getter/setter 
} 

2、页面js代码:


var userList = new Array(); 
userList.push({name: "李四",pwd: "123"}); 
userList.push({name: "张三",pwd: "332"}); 
$.ajax({ 
 type: "POST", 
 url: "<%=path%>/catalog.do?fn=saveUsers", 
 data: JSON.stringify(userList),//将对象序列化成JSON字符串 
 dataType:"json", 
 contentType : 'application/json;charset=utf-8', //设置请求头信息 
 success: function(data){ 
 … 
 }, 
 error: function(res){ 
 … 
 } 
}); 

3、Controller方法:


@Controller 
@RequestMapping("/catalog.do") 
public class CatalogController { 
 
 @RequestMapping(params = "fn=saveUsers") 
 @ResponseBody 
 public AjaxJson saveUsers(@RequestBody List<User> userList) { 
 … 
 } 
} 

如果想要接收User[]数组,只需要把saveUsers的参数类型改为@RequestBody User[] userArray就行了。

接收List<Map<String,Object>>集合参数:

1、页面js代码(不需要User对象了):


var userList = new Array(); 
userList.push({name: "李四",pwd: "123"}); 
userList.push({name: "张三",pwd: "332"}); 
$.ajax({ 
 type: "POST", 
 url: "<%=path%>/catalog.do?fn=saveUsers", 
 data: JSON.stringify(userList),//将对象序列化成JSON字符串 
 dataType:"json", 
 contentType : 'application/json;charset=utf-8', //设置请求头信息 
 success: function(data){ 
 … 
 }, 
 error: function(res){ 
 … 
 } 
}); 

2、Controller方法:


@Controller 
@RequestMapping("/catalog.do") 
public class CatalogController { 
 
 @RequestMapping(params = "fn=saveUsers") 
 @ResponseBody 
 public AjaxJson saveUsers(@RequestBody List<Map<String,Object>> listMap) { 
 … 
 } 
} 

接收User(bean里面包含List)集合参数:

1、User实体类:


public class User { 
 private String name; 
 private String pwd; 
 private List<User> customers;//属于用户的客户群 
 //省略getter/setter 
} 

2、页面js代码:


var customerArray = new Array(); 
customerArray.push({name: "李四",pwd: "123"}); 
customerArray.push({name: "张三",pwd: "332"}); 
var user = {}; 
user.name = "李刚"; 
user.pwd = "888"; 
user. customers = customerArray; 
$.ajax({ 
 type: "POST", 
 url: "<%=path%>/catalog.do?fn=saveUsers", 
 data: JSON.stringify(user),//将对象序列化成JSON字符串 
 dataType:"json", 
 contentType : 'application/json;charset=utf-8', //设置请求头信息 
 success: function(data){ 
 … 
 }, 
 error: function(res){ 
 … 
 } 
}); 

3、Controller方法:


@Controller 
@RequestMapping("/catalog.do") 
public class CatalogController { 
 
 @RequestMapping(params = "fn=saveUsers") 
 @ResponseBody 
 public AjaxJson saveUsers(@RequestBody User user) { 
 List<User> customers = user.getCustomers(); 
 … 
 } 
} 

以上这篇spirngmvc js传递复杂json参数到controller的实例就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持脚本之家。

springmvc 复杂json