修改

src/main/java/com/ruoyi/project/zt/controller/DjdcController.java

@@ -273,6 +273,11 @@ public class DjdcController {
                 //导出周期分析
                 List<DjZqsjfx> zqshfxList = djdcService.getZqshfxList(param);
                 exportZqshfx(response,zqshfxList);
+            case "exportZtgjsj":
+                //导出钻头关键数据
+                List<Djjc> djjcList = djdcService.getDjjcList(param);
+                ExcelUtil<Djjc> utilzt = new ExcelUtil<Djjc>(Djjc.class);
+                utilzt.exportExcel(response, djjcList, "Sheet1");
             default:
 
         }

src/main/java/com/ruoyi/project/zt/domain/Djjc.java

 package com.ruoyi.project.zt.domain;
 
+import com.ruoyi.framework.aspectj.lang.annotation.Excel;
 import lombok.Data;
 
 /**
@@ -10,6 +11,7 @@ public class Djjc {
 
 
     //井号
+    @Excel(name = "井号")
     private String jh;
     //开始完井时间
     private String wjsjks;
@@ -28,47 +30,58 @@ public class Djjc {
 
     private Double js;
     //开次
+    @Excel(name = "开次")
     private String kc;
 
     //井段
+    @Excel(name = "井段")
     private String jd;
 
-    //层位
-    private String cw;
-
-    //进尺
-    private Double jc;
-
-    //机械钻速
-    private Double jxzs;
+    //钻头外径
+    @Excel(name = "钻头外径")
+    private Double ztcc;
 
     //钻头型号
+    @Excel(name = "钻头型号")
     private String ztxh;
 
-    //钻头外径
-    private Double ztcc;
-
     //喷嘴
+    @Excel(name = "喷嘴")
     private String pz;
-
     //磨损情况
+    @Excel(name = "磨损情况")
     private String mxqk;
 
     //起钻原因
+    @Excel(name = "起钻原因")
     private String qzyy;
-
-    //指标
-    private Double zb;
+    //层位
+    @Excel(name = "层位")
+    private String cw;
 
     //钻井液密度
+    @Excel(name = "钻井液密度")
     private Double zjymd;
-    //泵压
-    private Double lgby;
     //排量
+    @Excel(name = "排量")
     private Double pl;
+    //泵压
+    @Excel(name = "泵压")
+    private Double lgby;
 
 
 
+    //进尺
+    @Excel(name = "进尺")
+    private Double jc;
+
+    //机械钻速
+    @Excel(name = "机速")
+    private Double jxzs;
+
+    //指标
+    @Excel(name = "指标")
+    private Double zb;