用ajax访问springmvc中方法,为啥返回值出错

dzq584462393 2014-03-18 10:33:44

@RequestMapping(value = "/change/deleteChangeFile.do", method = RequestMethod.POST)
public void deleteChangeFile(@RequestParam("id") int fileId, Model model) {
if (logger.isInfoEnabled()) {
logger.info("deleteChangeFile(int fileId = " + fileId
+ ", Model model=" + model + ") - start ");
}

fileService.deleteChangeFile(fileId);
}


这个方法不管加上返回值还是不加上都出错。

ERROR: com.wangyin.change.web.filter.LoginFilter - doFilter(ServletRequest request=org.apache.catalina.connector.RequestFacade@64a871, ServletResponse response=org.apache.catalina.connector.ResponseFacade@6ec21a, FilterChain arg2=org.apache.catalina.core.ApplicationFilterChain@1896444)
javax.servlet.ServletException: Could not resolve view with name 'change/deleteChangeFile' in servlet with name 'appServlet'
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1162)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:643)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.wangyin.change.web.filter.LoginFilter.doFilter(LoginFilter.java:77)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:662)
...全文
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浪里花 2014-03-18
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4楼正解,你没有打@ResponseBodyspringmvc肯定要跳转,而又找不到,就有报错了, 打了@ResponseBody就行了
tony4geek 2014-03-18
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<beans:property name="prefix" value="" /> 路径的配置问题。
S117 2014-03-18
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deleteChangeFile方法前加上@ResponseBody注解
dzq584462393 2014-03-18
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引用 2 楼 rui888 的回复:
$! 你 !  干嘛
这不是异步调用到方法deleteChangeFile 然后进行删除操作,这个方法不是没有返回值吗,出错,有返回值也出错
tony4geek 2014-03-18
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$! 你 !  干嘛
dzq584462393 2014-03-18
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$.ajax({
		     url :"$!{appRoot}/change/deleteChangeFile.do",
		     type :'post',
		     dataType :'json',
		     contentType: "charset=UTF-8",
		     data:params,
		     error:function(data){
		      	alert("删除出错!!");
		     }
		});
弹出删除出错

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