duan9015的博客

springmvc接收从客户端发送的json数据客户端发送的ajax请求，传递的数据类型是json,在方法参数列表中(@RequestBody User user)会自动封装为user对象，要想实现功能要导入jackson-databind.jarjackson-core.jarjackson-annotations.jar这三个jar包<dependency> <...

SpringMVC跨服务器文件上传 需要导入<dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.4</version></d...

public void fileUpload(HttpServletRequest request,MultipartFile upload){ System.out.println("文件上传"); //上传位置 String realPath = request.getSession().getServletContext().getRealPa...

springmvc配置约束文件开启注解扫描配置视图解析器放开静态资源的拦截spring开启注解mvc的支持自定义类型转换器约束文件<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:mvc="http://w...

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://ja...

springmvc常用注解@RequestParam@RequestBody@PathVariable@RequestHeader@CookieValue@ModelAttribute@SessionAttributes@RequestParam@RequestParam注解作用：把请求中的指定名称的参数传递给控制器中的形参赋值属性value：请求参数中的名称required：请求...