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code/springboot/newBank/src/main/java/demo/weiyichi/controller/TranferAccount.java

@@ -0,0 +1,172 @@
+package demo.weiyichi.controller;
+
+
+import demo.weiyichi.model.RecordTable;
+import demo.weiyichi.model.TransferDTO;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.dao.EmptyResultDataAccessException;
+import org.springframework.http.ResponseEntity;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.CollectionUtils;
+import org.springframework.util.StringUtils;
+import org.springframework.web.bind.annotation.*;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+@RestController
+@RequestMapping("/weiyichi")
+public class tranferAccount {
+    @Autowired
+    private JdbcTemplate jdbcTemplate;
+    private Boolean verifyAccountPassword(String cardNo, String password) {
+        String sql = "SELECT * FROM account_tab WHERE cardNo = ? AND password = ?";
+        return !jdbcTemplate.queryForList(sql, cardNo, password).isEmpty();
+    }
+
+    // 查询账户信息
+    private List<Map<String, Object>> getAccount(String cardNo) {
+        String sql = "SELECT * FROM account_tab WHERE cardNo = ?";
+        return jdbcTemplate.queryForList(sql, cardNo);
+    }
+
+    // 生成流水号
+    private String getRecordNo(String staffNo, String organiNm) {
+        String formattedTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMdd"));
+        String sql = "SELECT COUNT(*) FROM recordtable";
+        int count = jdbcTemplate.queryForObject(sql, Integer.class) + 1;
+        String sequence = String.format("%06d", count);
+        return formattedTime + organiNm + staffNo + sequence;
+    }
+
+    // 保存流水记录
+    private void saveRecordTable(RecordTable record) {
+        String sql = "INSERT INTO recordtable (date, cardNo, money, serviceTy, balance, recordNo) VALUES (?, ?, ?, ?, ?, ?)";
+        String date = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
+        jdbcTemplate.update(sql, date, record.getCardNo(), record.getMoney(), record.getServiceTy(), record.getBalance(), record.getRecordNo());
+    }
+    // 转账接口
+    @PostMapping("/transfer")
+    @Transactional
+    public ResponseEntity<String> transfer(@RequestBody TransferDTO transferDTO) {
+        // 验证转出账户
+        if (!verifyAccountPassword(transferDTO.getFromCardNo(), transferDTO.getPassword())) {
+            return ResponseEntity.badRequest().body("密码错误");
+        }
+
+        // 查询转出账户
+        List<Map<String, Object>> fromAccount = getAccount(transferDTO.getFromCardNo());
+        if (CollectionUtils.isEmpty(fromAccount)) {
+            return ResponseEntity.badRequest().body("转出账户不存在");
+        }
+        Double fromBalance = Double.parseDouble(fromAccount.get(0).get("balance").toString());
+
+        // 验证余额
+        if (fromBalance < transferDTO.getMoney()) {
+            return ResponseEntity.badRequest().body("余额不足");
+        }
+
+        // 查询转入账户
+        List<Map<String, Object>> toAccount = getAccount(transferDTO.getToCardNo());
+        if (CollectionUtils.isEmpty(toAccount)) {
+            return ResponseEntity.badRequest().body("转入账户不存在");
+        }
+
+        // 更新转出账户
+        String updateFromSql = "UPDATE account_tab SET balance = balance - ? WHERE cardNo = ?";
+        jdbcTemplate.update(updateFromSql, transferDTO.getMoney(), transferDTO.getFromCardNo());
+
+        // 更新转入账户
+        String updateToSql = "UPDATE account_tab SET balance = balance + ? WHERE cardNo = ?";
+        jdbcTemplate.update(updateToSql, transferDTO.getMoney(), transferDTO.getToCardNo());
+
+        // 生成流水记录（转出）
+        createTransferRecord(transferDTO.getFromCardNo(), transferDTO.getMoney(), "2",
+                Double.parseDouble(fromAccount.get(0).get("balance").toString()) - transferDTO.getMoney(),
+                transferDTO.getStaffNo(), transferDTO.getOrganiNm());
+
+        // 生成流水记录（转入）
+        createTransferRecord(transferDTO.getToCardNo(), transferDTO.getMoney(), "1",
+                Double.parseDouble(toAccount.get(0).get("balance").toString()) + transferDTO.getMoney(),
+                transferDTO.getStaffNo(), transferDTO.getOrganiNm());
+
+        return ResponseEntity.ok("转账成功");
+    }
+
+    private void createTransferRecord(String cardNo, Double amount, String serviceTy,
+                                      Double balance, String staffNo, String organiNm) {
+        RecordTable record = new RecordTable();
+        record.setCardNo(cardNo);
+        record.setMoney(amount);
+        record.setServiceTy(serviceTy);
+        record.setBalance(balance);
+        record.setRecordNo(getRecordNo(staffNo, organiNm));
+        saveRecordTable(record);
+    }
+    @GetMapping("/getTransactions")
+    public List<Map<String, Object>> getTransactions(
+            @RequestParam String cardNo,
+            @RequestParam(required = false) String startDate,
+            @RequestParam(required = false) String endDate) {
+
+        StringBuilder sql = new StringBuilder(
+                "SELECT date, money, serviceTy, balance, recordNo FROM recordtable WHERE cardNo = ?");
+
+        List<Object> params = new ArrayList<>();
+        params.add(cardNo);
+
+        if (StringUtils.hasText(startDate)) {
+            sql.append(" AND date >= ?");
+            params.add(startDate + " 00:00:00");
+        }
+        if (StringUtils.hasText(endDate)) {
+            sql.append(" AND date <= ?");
+            params.add(endDate + " 23:59:59");
+        }
+        sql.append(" ORDER BY date DESC");
+
+        return jdbcTemplate.queryForList(sql.toString(), params.toArray());
+    }
+
+    @GetMapping("/getBalance")
+    public ResponseEntity<Double> getBalance(@RequestParam String cardNo) {
+        String sql = "SELECT balance FROM account_tab WHERE cardNo = ?";
+        try {
+            Double balance = jdbcTemplate.queryForObject(sql, Double.class, cardNo);
+            return ResponseEntity.ok(balance);
+        } catch (EmptyResultDataAccessException e) {
+            return ResponseEntity.notFound().build();
+        }
+    }
+    @PostMapping("/closeAccount")
+    public ResponseEntity<String> closeAccount(
+            @RequestParam String cardNo,
+            @RequestParam String password) {
+
+        // 验证账户
+        if (!verifyAccountPassword(cardNo, password)) {
+            return ResponseEntity.badRequest().body("密码错误");
+        }
+
+        // 检查余额
+        Double balance = jdbcTemplate.queryForObject(
+                "SELECT balance FROM account_tab WHERE cardNo = ?", Double.class, cardNo);
+
+        if (balance > 0) {
+            return ResponseEntity.badRequest().body("账户余额不为零，请先结清");
+        }
+
+        // 更新账户状态
+        int updated = jdbcTemplate.update(
+                "UPDATE account_tab SET status = '2' WHERE cardNo = ?", cardNo);
+
+        if (updated > 0) {
+            return ResponseEntity.ok("销户成功");
+        }
+        return ResponseEntity.badRequest().body("销户失败");
+    }
+}

code/springboot/newBank/src/main/java/demo/weiyichi/model/TransferDTO.java

@@ -4,54 +4,24 @@ package demo.weiyichi.model;
  * 转账操作数据传输对象
  */
 public class TransferDTO {
-    /**
+    private String fromCardNo;   // 转出卡号
-     * 转出账户卡号
+    private String toCardNo;    // 转入卡号
-     */
+    private Double money;        // 转账金额
-    private String outCardNo;
+    private String password;     // 交易密码
-    /**
+    private String staffNo;      // 员工编号
-     * 转入账户卡号
+    private String organiNm;     // 机构名称
-     */
+
-    private String inCardNo;
+    // getters and setters
-    /**
+    public String getFromCardNo() { return fromCardNo; }
-     * 转账金额
+    public void setFromCardNo(String fromCardNo) { this.fromCardNo = fromCardNo; }
-     */
+    public String getToCardNo() { return toCardNo; }
-    private Double amount;
+    public void setToCardNo(String toCardNo) { this.toCardNo = toCardNo; }
-    /**
+    public Double getMoney() { return money; }
-     * 转出账户密码
+    public void setMoney(Double money) { this.money = money; }
-     */
+    public String getPassword() { return password; }
-    private String password;
+    public void setPassword(String password) { this.password = password; }
-
+    public String getStaffNo() { return staffNo; }
-
+    public void setStaffNo(String staffNo) { this.staffNo = staffNo; }
-    // Getter 和 Setter 方法
+    public String getOrganiNm() { return organiNm; }
-    public String getOutCardNo() {
+    public void setOrganiNm(String organiNm) { this.organiNm = organiNm; }
-        return outCardNo;
-    }
-
-    public void setOutCardNo(String outCardNo) {
-        this.outCardNo = outCardNo;
-    }
-
-    public String getInCardNo() {
-        return inCardNo;
-    }
-
-    public void setInCardNo(String inCardNo) {
-        this.inCardNo = inCardNo;
-    }
-
-    public Double getAmount() {
-        return amount;
-    }
-
-    public void setAmount(Double amount) {
-        this.amount = amount;
-    }
-
-    public String getPassword() {
-        return password;
-    }
-
-    public void setPassword(String password) {
-        this.password = password;
-    }
 }