feat: 添加采购交易查询DTO

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/domain/dto/CcdiPurchaseTransactionQueryDTO.java

@@ -0,0 +1,49 @@
+package com.ruoyi.ccdi.domain.dto;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+import java.time.LocalDate;
+
+/**
+ * 采购交易信息查询DTO
+ *
+ * @author ruoyi
+ * @date 2026-02-06
+ */
+@Data
+@Schema(description = "采购交易信息查询条件")
+public class CcdiPurchaseTransactionQueryDTO implements Serializable {
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+
+    /** 项目名称 */
+    @Schema(description = "项目名称")
+    private String projectName;
+
+    /** 标的物名称 */
+    @Schema(description = "标的物名称")
+    private String subjectName;
+
+    /** 申请人姓名 */
+    @Schema(description = "申请人姓名")
+    private String applicantName;
+
+    /** 申请人工号 */
+    @Schema(description = "申请人工号")
+    private String applicantId;
+
+    /** 申请日期-开始 */
+    @Schema(description = "申请日期-开始")
+    @JsonFormat(pattern = "yyyy-MM-dd")
+    private LocalDate applyDateStart;
+
+    /** 申请日期-结束 */
+    @Schema(description = "申请日期-结束")
+    @JsonFormat(pattern = "yyyy-MM-dd")
+    private LocalDate applyDateEnd;
+}