我在我的ajax中写了一个请求(method:delete)。我在我的控制器中使用了一个deleteMapping。当我触发这个请求时,我得到了一个400错误。但在浏览器中我可以看到数据专案编号Spring controller必需字符串参数不存在
控制台说Required String parameter 'projectId' is not present
总日志
2017-08-14 13:06:11.296 WARN 8584 --- [nio-8080-exec-3] o.s.web.servlet.PageNotFound : Request method 'DELETE' not supported
2017-08-14 13:06:11.296 WARN 8584 --- [nio-8080-exec-3] .w.s.m.s.DefaultHandlerExceptionResolver : Resolved exception caused by Handler execution: org.springframework.web.HttpRequestMethodNotSupportedException: Request method 'DELETE' not supported
2017-08-14 12:32:57.239 WARN 8584 --- [nio-8080-exec-7] .w.s.m.s.DefaultHandlerExceptionResolver : Resolved exception caused by Handler execution: org.springframework.web.bind.MissingServletRequestParameterException: Required String parameter 'projectId' is not present
这里是AJAX
$('#delete-project-btn').on('click', function() {
if (cur != null) {
alert(cur);
if(window.confirm('sure?')) {
$.ajax({
url : '/index/'+cur,
type : 'delete',
dataType : 'text',
data : {
projectId : cur
},
});
}
}
})
和我的controller
@DeleteMapping("/index/{projectId}")
public String deleteProject(@PathVariable("projectId") int id) {
System.out.println(id);
// projectRepository.delete(Integer.valueOf(id));
return "redirect:/index";
}
问题在哪里?
在你的Ajax请求,你应该通过专案编号为的一部分请求参数不请求正文。 – Barath