spring+mybatis 通过@ResponseBody返回结果中文乱码的解决方法

问题发生：

通过@responsebody返回

@responsebody
@requestmapping(value ="/selectbyformid",method = requestmethod.get)
public map<string,object> getclassname(string formid){
  list<string> list =forminfoservice.selectclassname(formid);
  map<string,object> map = new hashmap<string, object>();
  map.put("data", list);
  map.put("status", true);
  return map;
}

结果：

{"data":["璧勮璇疯喘绫�","淇冮攢绫�","绠＄悊绫�","鏆傛敮绫�","鍌ㄨ繍绫�","璧勪骇绫�","璧勮鏈嶅姟绫�","宸梾绠＄悊绫�",<br>"閲囪喘绫�","浜轰簨鑰冨嫟绫�","璐㈠姟绫�","瀹㈡埛绫�","瑙嗘嫇绫�","瀹㈣瘔绫�","浜轰簨娲诲姩绫�","浜轰簨琛屾斂绫�","鍏枃绫�",<br>"璇锋绫�","閿€绠＄被","钀ヨ繍涓氬姟绫�"],"status":true}

解决办法：

在spring-mvc.xml中配置

<!-- 解决responsebody 乱码问题stringhttpmessageconverter这个转换器转换时，父类abstracthttpmessageconverter的supportedmediatypes属性默认是iso-8895-1导致 -->           
  <mvc:annotation-driven> 
    <mvc:message-converters> 
      <bean class="org.springframework.http.converter.stringhttpmessageconverter"> 
        <property name="supportedmediatypes" value="text/html;charset=utf-8"></property> 
      </bean> 
    </mvc:message-converters> 
  </mvc:annotation-driven> 

但是配置完后又有了新的问题

error：...cvc-complex-type.2.1: 元素 'mvc:annotation-driven' 必须不含字符或元素信息项 [子级], 因为该类型的内容类型为空。

后来知道是 springmvc的xsd文件版本不对，换成springmvc 4.0的 xsd就可以了

<beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/xmlschema-instance" xmlns:p="http://www.springframework.org/schema/p"
  xmlns:context="http://www.springframework.org/schema/context"
  xmlns:mvc="http://www.springframework.org/schema/mvc"
  xsi:schemalocation="http://www.springframework.org/schema/beans  
            http://www.springframework.org/schema/beans/spring-beans-3.1.xsd  
            http://www.springframework.org/schema/context  
            http://www.springframework.org/schema/context/spring-context-3.1.xsd  
            http://www.springframework.org/schema/mvc  
            http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">

然后就ok了

{"data":["资讯请购类","促销类","管理类","暂支类","储运类","资产类","资讯服务类","差旅管理类","采购类","人事考勤类"<br>,"财务类","客户类","视拓类","客诉类","人事活动类","人事行政类","公文类","请款类","销管类","营运业务类"],"status":true}

stringhttpmessageconverter 这个方法 有很多转换作用，有时间可以多看看

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