Java中的Spring MVC简介笔记

// 业务信息的构成
public class Course {
 private Integer courseId;
 private String title;
 private Integer learningNum;
 private Integer level;
 private String imgPath;
 
 private List<Chapter> chapterList;
 public Integer getCourseId(){
  return courseId;
 }
 public void setCourseId(Integer courseId){
  this.courseId = courseId;
 }
 public String getTitle(){
  return title;
 }
 public void setTitle(String title){
  this.title = title;
 }
 public Integer getLearningNum(){
  return learningNum;
 }
}

DispatcherServlet
Controller
HandlerAdapter
HandlerInterceptor
HandlerMapping
HandlerExecutionChain
ModelAndView
ViewResolver
View

Locale Resolution
Theme Resolution
Multipart(File Upload) Handing

HandlerMapping
HandlerInterceptor
Handler
-Data Binding
-Validation, Type Conversion, Formatting
-Invoke Service Layer
-Update Model and State
HandlerExceptionResolver

ViewResolver
View

// maven
pom(project object model) - an xml file(pom.xml)
// contains information
dependency management
coordinates

groupId
artifactId
version
packaging

%HOME%\.m2

<mirror>
        <id>UK</id>
        <name>UK Central</name>
        <url>http://uk.maven.org/maven2</url>
        <mirrorOf>central</mirrorOf>
     </mirror>

mvn archetype:generate -DgroupId=dashucoding-arthur -DartifactId=spring-mvc-study
-DarchetypeArtifactId=maven-archetype-webapp

packaging: jar

@Controller
@RequestMapping("/hello")
public class HelloMvcController{
 @RequestMapping("/mvc");
 // host:8080/hello/mvc
 public String helloMvc(){
  return "home";
 }
}

mvn jetty:run

DispatcherServlet
WebApplicationContext
WebApplication

controller
model
service
@Controller
@RequestMapping("/courses")
public class CourseController {
 private static Logger log = LoggerFactory.getLogger(CourseController.class);
 private CourseService courseService;
}

@Controller
@RequestMapping
URL template(@RequestParam and @PathVarialbe)
HttpServletRequest and / or HttpSession

@RequestMapping(value="/admin", method=RequestMethod.GET, params="add")
public String createCourse(){
 return "course_admin/edit";
}

package com.model;

<dependency>
 <groupId> commons-fileupload </groupId>
 <artifactId> commons-fileupload </artifactId>
 <version>1.3.1</version>
</dependency>
JSON
json是一种轻量级的格式
ContentNegotiatingViewResolver
ResponseEntity
@ResponseBody/@ResquestBody

@RequestMapping
@PathVariable
@Controller
redirect/forward
MultipartFile
@ModelAttribute
@ResquestBody
@RequestParam
@ResponseBody
enctype="multipart/form-data"
multipartResolver
ResponseEntity