导出excel

smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageService.java

@@ -24,6 +24,8 @@ public class DynPageService extends AbstractCompService {
                 return new DynPageSaveHandler();
             case TYPE_DEL:
                 return new DynPageDelHandler();
+            case TYPE_LIST:
+                return new DynPageListHandler();
         }
         return null;
     }

smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/engine/model/common/ModelService.java

@@ -21,6 +21,7 @@ public class ModelService extends DynPageService {
     @Override
     protected AbstractHandler createHandler(String type) {
         switch (type) {
+            case TYPE_LIST:
             case TYPE_MODEL_LIST:
                 return new ModelListHandler();
             case TYPE_MODEL_LOAD:

smtweb-framework/core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractCompService.java

@@ -68,6 +68,14 @@ public abstract class AbstractCompService {
         return pageHandler(params, us, TYPE_LIST, handler -> ((AbstractListHandler) handler).getTotal());
     }
 
+    /**
+     * 导出excel
+     * @return R:{ file: fileName@@filePath }
+     */
+    public R exportExcel(@SwBody SwMap params, UserSession us) {
+        return pageHandler(params, us, TYPE_LIST, handler -> ((AbstractListHandler) handler).exportExcel());
+    }
+
     //combo数据
     public R combo(@SwBody SwMap params, UserSession us) {
         return pageHandler(params, us, TYPE_COMBO, handler -> ((DefaultComboHandler) handler).data());

smtweb-framework/core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractListHandler.java

@@ -6,6 +6,7 @@ import cc.smtweb.framework.core.common.R;
 import cc.smtweb.framework.core.common.SwMap;
 import cc.smtweb.framework.core.db.DbEngine;
 import cc.smtweb.framework.core.mvc.service.list.FooterField;
+import cc.smtweb.framework.core.util.ExcelExportUtil;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 
@@ -59,7 +60,15 @@ public abstract class AbstractListHandler extends AbstractHandler {
      * @return R:{ file: fileName@@filePath }
      */
     public R exportExcel() {
-        return R.success(buildListData());
+        SwMap model = params.readMap("model");
+        SwListData swListData = this.buildListData();
+        String fileName = "";
+        try {
+            fileName = ExcelExportUtil.exportToExcel(swListData.getRows(), model, (short) 9);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+        return R.success(fileName);
     }
 
     public SwListData buildListData() {

smtweb-framework/core/src/main/java/cc/smtweb/framework/core/util/ExcelExportUtil.java

@@ -10,6 +10,7 @@ import org.apache.poi.ss.util.CellRangeAddress;
 import org.apache.poi.ss.util.CellUtil;
 import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import org.springframework.stereotype.Component;
 import sun.misc.BASE64Decoder;
 
 import javax.imageio.ImageIO;
@@ -22,6 +23,7 @@ import java.util.*;
 /**
  * Excel导出工具类
  */
+@Component
 public class ExcelExportUtil {
     public static Integer MAX_EXCEL_COUNT = 60000;
     private static Map<Workbook, Map<String, CellStyle>> cacheMaps = null;
@@ -135,34 +137,32 @@ public class ExcelExportUtil {
      * @param modelJson 前端传回的导出模型
      * @throws Exception
      */
-    public static String exportToExcel(List<Map<String, String>> data, String modelJson) throws Exception {
+    public static String exportToExcel(List<SwMap> data, String modelJson) throws Exception {
         return exportToExcel(data, modelJson, "");
     }
 
-    public static String exportToExcel(List<Map<String, String>> data, String modelJson, Map<String, String> mapMergeField) throws Exception {
+    public static String exportToExcel(List<SwMap> data, String modelJson, Map<String, String> mapMergeField) throws Exception {
         SwMap model = new SwMap();
         model.putAll(JsonUtil.parseMap(modelJson));
         return exportToExcel(data, model, mapMergeField, null, (short) 9);
     }
 
-    public static String exportToExcel(List<Map<String, String>> data, SwMap model, short defFontSize) throws Exception {
+    public static String exportToExcel(List<SwMap> data, SwMap model, short defFontSize) throws Exception {
         return exportToExcel(data, model, null, defFontSize);
     }
 
-    public static String exportToExcel(List<Map<String, String>> data, String modelJson, String fileName) throws Exception {
+    public static String exportToExcel(List<SwMap> data, String modelJson, String fileName) throws Exception {
         SwMap model = new SwMap();
         model.putAll(JsonUtil.parseMap(modelJson));
         return exportToExcel(data, model, fileName, (short) 9);
     }
 
-    public static String exportToExcel(List<Map<String, String>> data, SwMap model, String fileName, short defFontSize) throws Exception {
+    public static String exportToExcel(List<SwMap> data, SwMap model, String fileName, short defFontSize) throws Exception {
         return exportToExcel(data, model, null, fileName, defFontSize);
     }
 
-    public static String exportToExcel(List<Map<String, String>> data, SwMap model, Map<String, String> mapMergeField, String fileName, short defFontSize) throws Exception {
-//        File tempFile = File.createTempFile("xls_", ".xls", new File(System.getProperty("java.io.tmpdir")));
-        // TODO: 2022/9/27 路径作测试用
-        File tempFile = File.createTempFile("xls_", ".xls", new File("D:\\jjkj\\"));
+    public static String exportToExcel(List<SwMap> data, SwMap model, Map<String, String> mapMergeField, String fileName, short defFontSize) throws Exception {
+        File tempFile = File.createTempFile("xls_", ".xls", new File(System.getProperty("java.io.tmpdir")));
         try (FileOutputStream fs = new FileOutputStream(tempFile)) {
             exportToExcel(fs, data, model, mapMergeField, defFontSize);
             fs.flush();
@@ -183,7 +183,7 @@ public class ExcelExportUtil {
         return len;
     }
 
-    public static void exportToExcel(OutputStream os, List<Map<String, String>> data, SwMap model, Map<String, String> mapMergeField, short defFontSize) throws Exception {
+    public static void exportToExcel(OutputStream os, List<SwMap> data, SwMap model, Map<String, String> mapMergeField, short defFontSize) throws Exception {
         HSSFWorkbook wb = new HSSFWorkbook();
         int detSize = data.size();
         if (detSize == 0) {
@@ -194,7 +194,7 @@ public class ExcelExportUtil {
             sheetCount = sheetCount != 0 ? detSize / MAX_EXCEL_COUNT + 1 : detSize / MAX_EXCEL_COUNT;
             List<String> listSheetName = new ArrayList<>();
             for (int i = 0; i < sheetCount; i++) {
-                List<Map<String, String>> listDetailPage = new ArrayList<>();
+                List<SwMap> listDetailPage = new ArrayList<>();
                 int endIndex = (i + 1) * MAX_EXCEL_COUNT;
                 if (endIndex > detSize) {
                     endIndex = detSize;
@@ -218,14 +218,14 @@ public class ExcelExportUtil {
         clearCellStyleCache(wb);
     }
 
-    private static String getMergeFieldValue(String keyField, Map<String, String> curRow, Map<String, String> mapMergeField) {
+    private static String getMergeFieldValue(String keyField, SwMap curRow, Map<String, String> mapMergeField) {
         if (mapMergeField == null || !mapMergeField.containsKey(keyField)) {
-            return StringUtil.checkNull(curRow.get(keyField));
+            return StringUtil.checkNull(String.valueOf(curRow.get(keyField)));
         }
-        return StringUtil.checkNull(curRow.get(mapMergeField.get(keyField)));
+        return StringUtil.checkNull(String.valueOf(curRow.get(mapMergeField.get(keyField))));
     }
 
-    private static void exportToExcelEx(Sheet sheet, HSSFWorkbook wb, List<Map<String, String>> data, SwMap model, Map<String, String> mapMergeField, short defFontSize) throws Exception {
+    private static void exportToExcelEx(Sheet sheet, HSSFWorkbook wb, List<SwMap> data, SwMap model, Map<String, String> mapMergeField, short defFontSize) throws Exception {
         CellStyle colTitleStyle;
         if (model.containsKey("colTitleBold") && model.readString("colTitleBold").equals("1")) {
             colTitleStyle = createCellStyle(wb, defFontSize, true, true, HorizontalAlignment.CENTER);
@@ -309,7 +309,7 @@ public class ExcelExportUtil {
 
         int curRowIndex;
         Row row;
-        Map<String, String> curRow;
+        SwMap curRow;
         AutoMergeCols amcs = new AutoMergeCols();
         AutoMergeColInfo mci;
         boolean isIgnoreZero = model.readBool("ignoreZero");
@@ -320,8 +320,8 @@ public class ExcelExportUtil {
             boolean isEnd = curRowIndex == data.size() + rowIndex - 1;
             //写序号列
             String rowNum = "";
-            int indention = curRow.containsKey("indention") ? StringUtil.getIntIgnoreErr(curRow.get("indention")) : 0;
-            if (StringUtil.isEmpty(curRow.get("__sys_footer"))) rowNum = String.valueOf(i + 1);
+            int indention = curRow.containsKey("indention") ? StringUtil.getIntIgnoreErr(String.valueOf(curRow.get("indention"))) : 0;
+            if (StringUtil.isEmpty(String.valueOf(curRow.get("__sys_footer")))) rowNum = String.valueOf(i + 1);
             if (!model.containsKey("needSeqCol")) {
                 writeCell(row, 0, dataStyle_number, rowNum, ColType.TEXT, isIgnoreZero);
             }
@@ -331,7 +331,7 @@ public class ExcelExportUtil {
                 col.putAll(cm);
                 //
                 String keyField = col.readString("field");
-                String key = StringUtil.checkNull(curRow.get(keyField));
+                String key = StringUtil.checkNull(String.valueOf(curRow.get(keyField)));
                 String value = getMergeFieldValue(keyField, curRow, mapMergeField);
                 CellStyle cs;
                 ColType ct = ColType.getColType(col.readString("colType"));
@@ -617,8 +617,7 @@ public class ExcelExportUtil {
 
 
         InputStream iso = null;
-//        File tempFile = File.createTempFile("xls_", ".xls", new File(System.getProperty("java.io.tmpdir")));
-        File tempFile = File.createTempFile("xls_", ".xls", new File("D:\\jjkj\\"));
+        File tempFile = File.createTempFile("xls_", ".xls", new File(System.getProperty("java.io.tmpdir")));
         FileOutputStream fs = new FileOutputStream(tempFile);
         try {
             iso = Files.newInputStream(Paths.get(modelFile));
@@ -1073,9 +1072,10 @@ public class ExcelExportUtil {
 
         String model = "{\"header\":[{\"title\":\"姓名\",\"colspan\":1,\"rowspan\":1,\"row\":0,\"col\":0,\"isLeaf\":true},{\"title\":\"人数\",\"colspan\":1,\"rowspan\":1,\"row\":0,\"col\":1,\"isLeaf\":true},{\"title\":\"低保金\",\"colspan\":1,\"rowspan\":1,\"row\":0,\"col\":2,\"isLeaf\":true}],\"columns\":[{\"field\":\"F1\",\"align\":\"center\",\"title\":\"姓名1\",\"chname\":\"姓名1\"},{\"field\":\"F2\",\"align\":\"center\",\"title\":\"人数1\",\"chname\":\"人数1\"},{\"field\":\"F3\",\"align\":\"center\",\"title\":\"低保金1\",\"chname\":\"低保金1\"}],\"headerRowCount\":1,\"title\":\"收款台列表\",\"rownum_\":0}";
 
-        String ss = exportToExcel(rows, model);
+
+//        String ss = exportToExcel(rows, model);
 //        String ss = exportToExcelModel(map, listSonD, mapSonDetail, "D:\\jjkj\\test.xlsx", "a");
-        System.out.println(ss);
+//        System.out.println(ss);
 
     }
 }

smtweb-framework/core/src/main/java/cc/smtweb/framework/core/util/StringUtil.java

@@ -21,7 +21,7 @@ public class StringUtil {
     private static Collator chineseCollator = Collator.getInstance(Locale.CHINA);
 
     public static boolean isEmpty(String str) {
-        return str == null || str.trim().length() == 0 || "-".equals(str);
+        return str == null || str.trim().length() == 0 || "-".equals(str)||"null".equals(str);
     }
 
     public static boolean isNotEmpty(String cs) {