1、創(chuàng)建返回類Result

public class Result<T>{/*錯(cuò)誤碼*/private Integer code;/*提示信息 */private String msg;/*具體內(nèi)容*/private T 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;}}

2、創(chuàng)建?ResultUtil 返回對(duì)象

public class ResultUtil {/*** 請(qǐng)求成功返回* @param object* @return*/public static Result success(Object object){Result Result=new Result();Result.setCode(200);Result.setMsg("請(qǐng)求成功");Result.setData(object);return Result;}public static Result success(){return success(null);}public static Result error(Integer code,String resultResult){Result Result=new Result();Result.setCode(code);Result.setMsg(resultResult);return Result;} }

3、調(diào)用返回類

@RequestMapping("/link") @RestController public class LinkController {@Autowiredprivate LinkRepository linkRepository;@PostMapping(value = "/list")@ResponseBodypublic Result getlinklList() {return ResultUtil.success(linkRepository.findAll());} }

到此步 完成簡(jiǎn)單的返回類封裝

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4、session 的實(shí)現(xiàn)

public String hel(HttpSession request,Model model) {request.setAttribute("name","lisi"); //設(shè)置session值String name = (String) request.getAttribute("name"); //獲取session值model.addAttribute("name",name);return "index";}

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轉(zhuǎn)載于:https://www.cnblogs.com/cyrfr/p/9125401.html

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