ssm项目，登录注册、用户的修改删除和进去系统

package com.wlz.controller; import com.google.code.kaptcha.Producer; import com.wlz.entity.Customer; import com.wlz.service.CustomerService; import com.wlz.util.PasswordUtils; import com.wlz.util.Result; import org.springframework.http.HttpHeaders; import org.springframework.http.HttpStatus; import org.springframework.http.MediaType; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.*; import java.awt.image.BufferedImage; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.util.List; import java.util.Map; import javax.annotation.Resource; import javax.imageio.ImageIO; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * (Customer)表控制层 * * @author scj * @since 2023-05-30 14:24:41 */ @RestController @RequestMapping("customer") public class CustomerController { /** * 服务对象 */ @Resource private CustomerService customerService; @Resource(name = "captchaProducer") private Producer producer; /** * 验证码 */ @GetMapping("captcha") public ResponseEntity<byte[]> captcha(HttpServletRequest request, HttpServletResponse response)throws IOException { response.setHeader("Cache-Control", "no-store, no-cache"); response.setContentType("image/jpeg"); //生成文字验证码 String code = producer.createText(); //先清除之前的验证码 request.getSession().removeAttribute("captcha"); //设置验证码过期时间 request.getSession().setAttribute("captcha",code); request.getSession().setMaxInactiveInterval(120); //获取图片验证码 BufferedImage image = producer.createImage(code); ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); ImageIO.write(image, "jpg", outputStream); HttpHeaders headers = new HttpHeaders(); headers.setContentType(MediaType.IMAGE_JPEG); return new ResponseEntity<>(outputStream.toByteArray(), headers, HttpStatus.OK); } /** * 登录接口 * * @param yanzm * @param username * @param password * @return 登录状态 */ @PostMapping ("login") public Result login(HttpServletRequest request,String yanzm,String username,String password) { String captcha = (String) request.getSession().getAttribute("captcha"); if (!yanzm.equals(captcha)){ return new Result(0,"验证码输入错误，请重新输入",200,false); } Customer u = customerService.getOneByUserName(username); if (null==u){ return new Result(0,"该用户不存在，请先注册",200,false); } if (!u.getCPass().equals(PasswordUtils.encryptPassword(password))){ return new Result(0,"密码输入错误，请重新输入",200,false); } return new Result(1,"登录成功",200,u); } /** * 注册 * * @param customer 实体 * @return 注册结果 */ @PostMapping("register") public Result register(Customer customer) { Customer u = customerService.getOneByUserName(customer.getCName()); if (null!=u){ return new Result(0,"该用户已存在，请尝试更改用户名",0,false); } customer.setCPass(PasswordUtils.encryptPassword(customer.getCPass())); return new Result(0, "注册成功", this.customerService.insert(customer), true); } /** * 分页查询查询所有 * * @param map 筛选条件 * @return 查询结果 */ @GetMapping("getAll") public Result getAll(@RequestParam Map<String, Object> map) { map.put("page", (Integer.parseInt(map.get("page").toString()) - 1) * Integer.parseInt(map.get("limit").toString())); map.put("limit", Integer.parseInt(map.get("limit").toString())); List<Map<String, Object>> all = this.customerService.getAll(map); return new Result(0, "true",all.size() ,all ); } /** * 编辑数据 * * @param customer 实体 * @return 编辑结果 */ @PostMapping("update") public Result edit(Customer customer) { Customer u = customerService.getOneByUserName(customer.getCName()); if (!u.getCPass().equals(customer.getCPass())){ customer.setCPass(PasswordUtils.encryptPassword(customer.getCPass())); } return new Result(0, "修改成功", this.customerService.update(customer), true); } /** * 删除数据 * * @param cId 主键 * @return 删除是否成功 */ @PostMapping("delete") public Result deleteById(Integer cId) { return new Result(0, "删除成功", this.customerService.deleteById(cId), true); } }