first commit

src/main/java/com/accounting/dto/BillRequest.java

@@ -0,0 +1,27 @@
+package com.accounting.dto;
+
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+
+@Data
+public class BillRequest {
+    @NotNull(message = "分类ID不能为空")
+    private Long categoryId;
+    
+    @NotNull(message = "金额不能为空")
+    private BigDecimal amount;
+    
+    private String description;
+    
+    private LocalDate billDate;
+    
+    private String imageUrl;
+    
+    /**
+     * 账单类型：1-支出，2-收入
+     */
+    private Integer type;
+}