Spring MVC ajax传值

　1.传字符串

@RequestMapping("/t")
@ResponseBody
public ResultData t(String name,String pass){
	Map<String,Object> map = new HashMap<String,Object>() ;
	map.put("name", name) ;
	map.put("pass", pass) ;
	return new ResultData(map) ;
}

@RequestMapping("/t")
    @ResponseBody
    public ResultData t(@RequestParam("name") String name,@RequestParam("pass") String pass){
        Map<String,Object> map = new HashMap<String,Object>() ;
        map.put("name", name) ;
        map.put("pass", pass) ;
        return new ResultData(map) ;
    }

<script type="text/javascript">
            $("a").click(function(){
                $.ajax({
                    url:"web/t",
                    data:{name:"测试",pass:"123"},
                    success:function(data){
                        console.log(data) ;
                    }
                })
            }) ;
        </script>

2.传对象到后台

@RequestMapping("/t")
    @ResponseBody
    public ResultData t(Books book){
        return new ResultData(book) ;
    }

<script type="text/javascript">
            $("a").click(function(){
                $.ajax({
                    url:"web/t",
                    data:{name:"神话",writter:"张三"},
                    success:function(data){
                        console.log(data) ;
                    }
                })
            }) ;
        </script>

3.传集合或对象数组到后台

    传集合不能用1，2的方式，用json字符串，后台在解析成集合

@RequestMapping("/t")
    @ResponseBody
    public ResultData t(String books ) {
        String book = books.replaceAll(""", """);
        JSONArray j = JSONArray.fromObject(book) ;
        List<Books> list = j.toList(j,Books.class) ;
        return new ResultData(list) ;
    }

<script type="text/javascript">
            $("a").click(function(){
                var books = [{name:"昏天魔王",writter:"南瓜大虾"},{name:"盖世英雄",writter:"真空泡"}] ;
                console.log(JSON.stringify(books))
                $.ajax({
                    url:"web/t",
                    data:{books:JSON.stringify(books)},
                    contentType: "application/json; charset=utf-8",    
                    dataType: "json",  
                    success:function(data){
                        console.log(data) ;
                    }
                }) 
            }) ;
        </script>