前端请求:
$.ajax({
url: basePath() + "/index/login.do",
type : "post",
data: JSON.stringify(form),
dataType : "json",
contentType : "application/json;charset=utf8",
success: function (data) {
console.log(data);
},
error: function () {
}
});
后端接收:
@ResponseBody
@RequestMapping(value = "/login",method = RequestMethod.POST,produces = "application/json;charset=utf8")
public JSONObject login(@RequestBody LoginVo loginVo){
JSONObject result = new JSONObject();
UsernamePasswordToken token = new UsernamePasswordToken(loginVo.getUsername(),loginVo.getPassword());
System.out.println(loginVo.isRememberMe());
Subject subject = SecurityUtils.getSubject();
subject.login(token);
if (subject.isAuthenticated()){
result.put("result",true);
}else{
result.put("result",false);
}
return result;
}
前端ajax请求,后端使用@RequestBody接收,报出415请求数据格式错误
错误原因:springMVC无法读取ajax设置好的dataType并以对应的方式处理请求头,进而无法处理json数据
解决办法:在maven中引入Jackson相关jar包,并在springMVC的xml中引入相关配置,maven和springMVC的相关代码如下:
maven:
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.6</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.9.6</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.9.6</version>
</dependency>
springMVC:
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping" />
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
<property name="messageConverters">
<list>
<!-- 设置返回字符串编码 -->
<bean class="org.springframework.http.converter.StringHttpMessageConverter">
<property name = "supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
<value>application/json;charset=UTF-8</value>
</list>
</property>
</bean>
<!-- json转换器 -->
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
<value>application/json;charset=UTF-8</value>
</list>
</property>
</bean>
</list>
</property>
</bean>