{"id":70460,"date":"2026-02-01T23:18:03","date_gmt":"2026-02-01T15:18:03","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/70460.html"},"modified":"2026-02-01T23:18:03","modified_gmt":"2026-02-01T15:18:03","slug":"javaweb%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88day11%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/70460.html","title":{"rendered":"JavaWeb\u5b66\u4e60\u7b14\u8bb0\uff08Day11\uff09"},"content":{"rendered":"

\u4e00\u3001\u65b0\u589e\u5458\u5de5<\/h4>\n

1. \u4ee3\u7801\u5b9e\u73b0<\/h5>\n

(1)\u00a0EmpController<\/p>\n

@Slf4j
\n@RestController
\n@RequestMapping("\/emps")
\npublic class EmpController {<\/p>\n

@Autowired
\n private EmpService empService;<\/p>\n

\/\/\u65b0\u589e
\n @PostMapping
\n public Result save(@RequestBody Emp emp){
\n \/\/\u8bb0\u5f55\u65e5\u5fd7
\n log.info("\u65b0\u589e\u5458\u5de5, emp:{}",emp);
\n \/\/\u8c03\u7528\u4e1a\u52a1\u5c42\u65b0\u589e\u529f\u80fd
\n empService.save(emp);
\n \/\/\u54cd\u5e94
\n return Result.success();
\n }<\/p>\n

\/\/\u7701\u7565…
\n} <\/p>\n

(2)\u00a0EmpService<\/p>\n

public interface EmpService {<\/p>\n

\/**
\n * \u4fdd\u5b58\u5458\u5de5\u4fe1\u606f
\n * @param emp
\n *\/
\n void save(Emp emp);<\/p>\n

\/\/\u7701\u7565…
\n}<\/p>\n

(3)\u00a0EmpServiceImpl<\/p>\n

@Slf4j
\n@Service
\npublic class EmpServiceImpl implements EmpService {
\n @Autowired
\n private EmpMapper empMapper;<\/p>\n

@Override
\n public void save(Emp emp) {
\n \/\/\u8865\u5168\u6570\u636e
\n emp.setCreateTime(LocalDateTime.now());
\n emp.setUpdateTime(LocalDateTime.now());
\n \/\/\u8c03\u7528\u6dfb\u52a0\u65b9\u6cd5
\n empMapper.insert(emp);
\n }<\/p>\n

\/\/\u7701\u7565…
\n} <\/p>\n

(4)\u00a0EmpMapper<\/p>\n

@Mapper
\npublic interface EmpMapper {
\n \/\/\u65b0\u589e\u5458\u5de5
\n @Insert("insert into emp (username, name, gender, image, job, entrydate, dept_id, create_time, update_time) " +
\n "values (#{username}, #{name}, #{gender}, #{image}, #{job}, #{entrydate}, #{deptId}, #{createTime}, #{updateTime});")
\n void insert(Emp emp);<\/p>\n

\/\/\u7701\u7565…
\n}<\/p>\n

\u4e8c\u3001\u6587\u4ef6\u4e0a\u4f20<\/h4>\n

1. \u524d\u7aef\u7a0b\u5e8f<\/h5>\n
(1) \u4ee3\u7801<\/h5>\n

<form action="\/upload" method="post" enctype="multipart\/form-data">
\n\u59d3\u540d: <input type="text" name="username"><br>
\n \u5e74\u9f84: <input type="text" name="age"><br>
\n \u5934\u50cf: <input type="file" name="image"><br>
\n <input type="submit" value="\u63d0\u4ea4">
\n<\/form> <\/p>\n

\u4e0a\u4f20\u6587\u4ef6\u7684\u539f\u59cbform\u8868\u5355，\u8981\u6c42\u8868\u5355\u5fc5\u987b\u5177\u5907\u4ee5\u4e0b\u4e09\u70b9（\u4e0a\u4f20\u6587\u4ef6\u9875\u9762\u4e09\u8981\u7d20）：<\/p>\n

\u2460 \u8868\u5355\u5fc5\u987b\u6709file\u57df，\u7528\u4e8e\u9009\u62e9\u8981\u4e0a\u4f20\u7684\u6587\u4ef6<\/p>\n

<input type="file" name="image"\/> <\/p>\n

\u2461\u00a0\u8868\u5355\u63d0\u4ea4\u65b9\u5f0f\u5fc5\u987b\u4e3a\u00a0POST<\/p>\n

\u901a\u5e38\u4e0a\u4f20\u7684\u6587\u4ef6\u4f1a\u6bd4\u8f83\u5927，\u6240\u4ee5\u9700\u8981\u4f7f\u7528 POST \u63d0\u4ea4\u65b9\u5f0f<\/p>\n

\u2462\u00a0\u8868\u5355\u7684\u7f16\u7801\u7c7b\u578benctype\u5fc5\u987b\u8981\u8bbe\u7f6e\u4e3a：multipart\/form-data<\/p>\n

\u666e\u901a\u9ed8\u8ba4\u7684\u7f16\u7801\u683c\u5f0f\u662f\u4e0d\u9002\u5408\u4f20\u8f93\u5927\u578b\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u7684，\u6240\u4ee5\u5728\u6587\u4ef6\u4e0a\u4f20\u65f6，\u8868\u5355\u7684\u7f16\u7801\u683c\u5f0f\u5fc5\u987b\u8bbe\u7f6e\u4e3amultipart\/form-data<\/p>\n

2. \u540e\u7aef\u7a0b\u5e8f<\/h5>\n
(1) \u601d\u8def\u5206\u6790<\/h5>\n

\u2460\u00a0\u5728\u670d\u52a1\u7aef\u5b9a\u4e49\u8fd9\u4e48\u4e00\u4e2acontroller，\u7528\u6765\u8fdb\u884c\u6587\u4ef6\u4e0a\u4f20，\u7136\u540e\u5728controller\u5f53\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5\u6765\u5904\u7406\/upload \u8bf7\u6c42<\/p>\n

\u2461\u00a0\u5728\u5b9a\u4e49\u7684\u65b9\u6cd5\u4e2d\u63a5\u6536\u63d0\u4ea4\u8fc7\u6765\u7684\u6570\u636e （\u65b9\u6cd5\u4e2d\u7684\u5f62\u53c2\u540d\u548c\u8bf7\u6c42\u53c2\u6570\u7684\u540d\u5b57\u4fdd\u6301\u4e00\u81f4）<\/p>\n