原 Java秒杀系统实战系列~构建SpringBoot多模块项目
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摘要:本篇博文是“Java秒杀系统实战系列文章”的第二篇,主要分享介绍如何采用IDEA,基于SpringBoot+SpringMVC+Mybatis+分布式中间件构建一个多模块的项目,即“秒杀系统”!。
内容:传统的基于IDEA构建SpringBoot的项目,是直接借助Spring Initializr插件进行构建,但是这种方式在大部分情况下,只能充当“单模块”的项目,并不能很好的做到“分工明确、职责清晰”的分层原则!
@SpringBootApplication
@ImportResource(value = {"classpath:spring/spring-jdbc.xml"})
@MapperScan(basePackages = "com.debug.kill.model.mapper")
@EnableScheduling
public class MainApplication extends SpringBootServletInitializer{
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
return builder.sources(MainApplication.class);
}
public static void main(String[] args) {
SpringApplication.run(MainApplication.class,args);
}
}
public enum StatusCode {
Success(0,"成功"),
Fail(-1,"失败"),
InvalidParams(201,"非法的参数!"),
UserNotLogin(202,"用户没登录"),
;
private Integer code; //状态码code
private String msg; //状态码描述信息msg
StatusCode(Integer code, String msg) {
this.code = code;
this.msg = msg;
}
public Integer getCode() {
return code;
}
public void setCode(Integer code) {
this.code = code;
}
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
}
public class BaseResponse<T> {
private Integer code; //状态码code
private String msg; //状态码对应的描述信息msg
private T data; //响应数据
public BaseResponse(Integer code, String msg) {
this.code = code;
this.msg = msg;
}
public BaseResponse(StatusCode statusCode) {
this.code = statusCode.getCode();
this.msg = statusCode.getMsg();
}
public BaseResponse(Integer code, String msg, T data) {
this.code = code;
this.msg = msg;
this.data = data;
}
public Integer getCode() {
return code;
}
public void setCode(Integer code) {
this.code = code;
}
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
public T getData() {
return data;
}
public void setData(T data) {
this.data = data;
}
}
@Controller
@RequestMapping("base")
public class BaseController {
private static final Logger log= LoggerFactory.getLogger(BaseController.class);
/**
* 标准请求-响应数据格式
*/
@RequestMapping(value = "/response",method = RequestMethod.GET)
@ResponseBody
public BaseResponse response(String name){
BaseResponse response=new BaseResponse(StatusCode.Success);
if (StringUtils.isBlank(name)){
name="这是welcome!";
}
response.setData(name);
return response;
}
}
(7)除此之外,这个Java秒杀系统项目还支持前端发起请求时,后端协助进行页面的跳转,其中本项目使用的模板引擎为Jsp
/**
* 跳转页面-跳转成功携带 name 参数到 welcome页面中
* @param name
* @param modelMap
* @return
*/
@GetMapping("/welcome")
public String welcome(String name, ModelMap modelMap){
if (StringUtils.isBlank(name)){
name="这是welcome!";
}
modelMap.put("name",name);
return "welcome";
}
1、目前,这一秒杀系统的整体构建与代码实战已经全部完成了,完整的源代码数据库地址可以来这里下载:https://gitee.com/steadyjack/SpringBoot-SecondKill
2、由于相应的博客的更新可能并不会很快,故而如果有想要快速入门以及实战整套系统的,可以考虑购买这套系统对应的实战视频教程:https://www.roncoo.com/view/1146338929757712386
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