增加导出Excel例子

src/main/java/com/hr/controller/DemoController.java

@@ -3,6 +3,7 @@ package com.hr.controller;
 
 import com.alibaba.fastjson2.JSONObject;
 
+import com.hr.dto.DemoExcelDto;
 import com.hr.dto.MyDto;
 import com.hr.dto.MyParmDto;
 
@@ -13,15 +14,23 @@ import com.hr.repository.service.DemoService;
 import com.hr.repository.service.TransServer;
 import com.github.pagehelper.PageHelper;
 
+import com.hr.system.api.domain.SysDictData;
 import com.yy.basedevelop.common.data.BasePageResult;
 import com.yy.basedevelop.common.data.BaseReturnDto;
 
 
+import com.yy.basedevelop.common.util.DictUtil;
+import com.yy.basedevelop.common.util.ExcelUtil;
+import jakarta.servlet.http.HttpServletResponse;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
+
+import org.springframework.http.server.reactive.ServerHttpResponse;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.server.ServerWebExchange;
+import reactor.core.publisher.Mono;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 import java.util.random.RandomGenerator;
@@ -42,7 +51,38 @@ public class DemoController {
     @Autowired
     private DemoService demoService;
 
+    @GetMapping("listname5")
+    public Mono<Void> export(ServerHttpResponse response) {
+
+        ExcelUtil<DemoExcelDto> util = new ExcelUtil<DemoExcelDto>(DemoExcelDto.class);
+        List<DemoExcelDto> list = new ArrayList<>();
+        DemoExcelDto d1 = new DemoExcelDto();
+        d1.setName("名字1");
+        d1.setTestCode("test1");
+        list.add(d1);
+        DemoExcelDto d2 = new DemoExcelDto();
+        d2.setName("名字2");
+        d2.setTestCode("test2");
+        list.add(d2);
+        DemoExcelDto d3 = new DemoExcelDto();
+        d3.setName("名字3");
+        d3.setTestCode("test3");
+        list.add(d3);
+
+        DemoExcelDto d4 = new DemoExcelDto();
+        d4.setName("名字4");
+        d4.setTestCode("test4");//没有值则导出来是空白
+        list.add(d4);
+
+        return util.exportExcel(response, list, "字典数据");
+    }
+
+    @PostMapping("listname3")
+    public BaseReturnDto list222(@RequestBody SysDictData sysDictData) {
 
+        List<SysDictData> list=DictUtil.getSysDictDataByKey(sysDictData.getDictType());
+        return BaseReturnDto.success(list);
+    }
 
     @GetMapping("listname")
     public BasePageResult<MyDemoDto> queryname(@RequestParam("name") String name) {

src/main/java/com/hr/dto/DemoExcelDto.java

@@ -0,0 +1,28 @@
+package com.hr.dto;
+
+import com.yy.basedevelop.common.util.ruoyi.annotation.Excel;
+import lombok.Data;
+import org.apache.poi.ss.usermodel.IndexedColors;
+
+/**
+ * @author yaoy
+ * @createTime 2025/10/13 14:11
+ **/
+@Data
+public class DemoExcelDto {
+
+    @Excel(
+            name = "名字",
+            cellType = Excel.ColumnType.STRING,
+            headerColor= IndexedColors.BLUE1
+    )
+    private String name;
+
+    @Excel(
+            name = "名字",
+            cellType = Excel.ColumnType.STRING,
+            headerColor= IndexedColors.CORAL,
+            dictName="test_code"
+    )
+    private String testCode;
+}

src/main/java/com/hr/repository/domain/Demo1Entity.java

@@ -19,6 +19,9 @@ public class Demo1Entity extends BaseHrEntity {
     @Column(name = "fname", columnDefinition = "varchar(80)  NULL comment 'fname'")
     private String fname;
 
+    @Column
+    private String addrRemark;
+
     @Version
     protected Long version = 0L;
 }