No matter what happens, good or bad, the outcome of a servlet request is a servlet response. If an exception occurs during request processing, the outcome is still a servlet response. Somehow, the exception must be translated into a response. Spring…
一.什么是multipart The Spittr application calls for file uploads in two places. When a new user registers with the application, you’d like them to be able to provide a picture to associate with their profile. And when a user posts a new Spittle , they ma…
一.所有声明都用xml 1. <?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=&quo…
一.redirect为什么会丢数据? when a handler method completes, any model data specified in the method is copied into the request as request attributes, and the request is forwarded to the view for rendering. Because it’s the same request that’s handled by both…
一.用 MultipartFile 1.在html中设置<form enctype="multipart/form-data">及<input type="file"> <html xmlns:th="http://www.thymeleaf.org"> <head> <title>Spitter</title> <link rel="stylesheet&q…
一. 1.如想在DispatcherServlet在Servlet容器中注册后自定义一些操作,如开启文件上传功能,则可重写通过AbstractAnnotationConfigDispatcherServletInitializer 的customizeRegistration() 来实现 // After AbstractAnnotation ConfigDispatcherServletInitializer registers DispatcherServlet with the servl…
一. 1.Spring MVC provides several ways that a client can pass data into a controller’s handler method. These include  Query parameters Form parameters Path variables 二.以query parameters的形式给action传参数 1.传参数 @Test public void shouldShowPagedSpittles()…
一. Starting with Spring 3.0, Spring supports the Java Validation API in Spring MVC . No extra configuration is required to make Java Validation work in Spring MVC . You just need to make sure an implementation of the Java API , such as Hibernate Vali…
一 1.以path parameters的形式给action传参数 @Test public void testSpittle() throws Exception { Spittle expectedSpittle = new Spittle("Hello", new Date()); SpittleRepository mockRepository = mock(SpittleRepository.class); when(mockRepository.findOne(12345)…
一.RequestMapping 1.可以写在方法上或类上,且值可以是数组 package spittr.web; import static org.springframework.web.bind.annotation.RequestMethod.*; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bin…