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CRM：新增客户导入模版所属行业、客户等级、客户来源、客户地区单元格下拉选择

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puhui999
2024-02-22 00:58:50 +08:00
parent 1ad5602a19
commit b26eb6266f
8 changed files with 237 additions and 19 deletions
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37
yudao-framework/yudao-spring-boot-starter-biz-ip/src/main/java/cn/iocoder/yudao/framework/ip/core/utils/AreaUtils.java
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@ -4,6 +4,7 @@ import cn.hutool.core.io.resource.ResourceUtil;
import cn.hutool.core.lang.Assert;
import cn.hutool.core.text.csv.CsvRow;
import cn.hutool.core.text.csv.CsvUtil;
import cn.hutool.core.util.StrUtil;
import cn.iocoder.yudao.framework.common.util.object.ObjectUtils;
import cn.iocoder.yudao.framework.ip.core.Area;
import cn.iocoder.yudao.framework.ip.core.enums.AreaTypeEnum;
@ -74,6 +75,32 @@ public class AreaUtils {
return areas.get(id);
}
/**
* 获取所有节点的全路径名称如：河南省/石家庄市/新华区
*
* @param areas 地区树
* @return 所有节点的全路径名称
*/
public static List<String> getAllAreaNodePaths(List<Area> areas) {
return convertList(areas, AreaUtils::buildTreePath);
}
// TODO @puhui999: 展开树再构建全路径
private static String buildTreePath(Area node) {
if (node.getParent() == null || Area.ID_CHINA.equals(node.getParent().getId())) { // 忽略中国
// 已经是根节点，直接返回节点名称
return node.getName();
} else {
// 递归拼接上级节点的名称
Area parent = getArea(node.getParent().getId());
if (parent != null) {
String parentPath = buildTreePath(parent);
return parentPath + "/" + node.getName();
}
}
return StrUtil.EMPTY;
}
/**
* 格式化区域
*
@ -88,13 +115,13 @@ public class AreaUtils {
* 格式化区域
*
* 例如说：
* 1. id = “静安区”时：上海 上海市 静安区
* 2. id = “上海市”时：上海 上海市
* 3. id = “上海”时：上海
* 4. id = “美国”时：美国
* 1. id = “静安区”时：上海 上海市 静安区
* 2. id = “上海市”时：上海 上海市
* 3. id = “上海”时：上海
* 4. id = “美国”时：美国
* 当区域在中国时，默认不显示中国
*
* @param id 区域编号
* @param id 区域编号
* @param separator 分隔符
* @return 格式化后的区域
*/

105
yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/handler/SelectSheetWriteHandler.java Normal file
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@ -0,0 +1,105 @@
package cn.iocoder.yudao.framework.excel.core.handler;
import cn.hutool.core.collection.CollUtil;
import cn.iocoder.yudao.framework.common.core.KeyValue;
import com.alibaba.excel.write.handler.SheetWriteHandler;
import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder;
import org.apache.poi.hssf.usermodel.HSSFDataValidation;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddressList;
import java.util.List;
/**
* 基于固定 sheet 实现下拉框
*
* @author HUIHUI
*/
public class SelectSheetWriteHandler implements SheetWriteHandler {
private List<KeyValue<Integer, List<String>>> selectMap;
private final char[] alphabet = new char[]{'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L',
'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'};
public SelectSheetWriteHandler(List<KeyValue<Integer, List<String>>> selectMap) {
this.selectMap = selectMap;
}
@Override
public void afterSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) {
if (selectMap == null || CollUtil.isEmpty(selectMap)) {
return;
}
// 需要设置下拉框的sheet页
Sheet curSheet = writeSheetHolder.getSheet();
DataValidationHelper helper = curSheet.getDataValidationHelper();
String dictSheetName = "字典sheet";
Workbook workbook = writeWorkbookHolder.getWorkbook();
// 数据字典的sheet页
Sheet dictSheet = workbook.createSheet(dictSheetName);
for (KeyValue<Integer, List<String>> keyValue : selectMap) {
// 设置下拉单元格的首行、末行、首列、末列
CellRangeAddressList rangeAddressList = new CellRangeAddressList(1, 65533, keyValue.getKey(), keyValue.getKey());
int rowLen = keyValue.getValue().size();
// 设置字典sheet页的值 每一列一个字典项
for (int i = 0; i < rowLen; i++) {
Row row = dictSheet.getRow(i);
if (row == null) {
row = dictSheet.createRow(i);
}
row.createCell(keyValue.getKey()).setCellValue(keyValue.getValue().get(i));
}
String excelColumn = getExcelColumn(keyValue.getKey());
// 下拉框数据来源 eg:字典sheet!$B1:$B2
String refers = dictSheetName + "!$" + excelColumn + "$1:$" + excelColumn + "$" + rowLen;
// 创建可被其他单元格引用的名称
Name name = workbook.createName();
// 设置名称的名字
name.setNameName("dict" + keyValue.getKey());
// 设置公式
name.setRefersToFormula(refers);
// 设置引用约束
DataValidationConstraint constraint = helper.createFormulaListConstraint("dict" + keyValue.getKey());
// 设置约束
DataValidation validation = helper.createValidation(constraint, rangeAddressList);
if (validation instanceof HSSFDataValidation) {
validation.setSuppressDropDownArrow(false);
} else {
validation.setSuppressDropDownArrow(true);
validation.setShowErrorBox(true);
}
// 阻止输入非下拉框的值
validation.setErrorStyle(DataValidation.ErrorStyle.STOP);
validation.createErrorBox("提示", "此值不存在于下拉选择中！");
// 添加下拉框约束
writeSheetHolder.getSheet().addValidationData(validation);
}
}
/**
* 将数字列转化成为字母列
*
* @param num 数字
* @return 字母
*/
private String getExcelColumn(int num) {
String column = "";
int len = alphabet.length - 1;
int first = num / len;
int second = num % len;
if (num <= len) {
column = alphabet[num] + "";
} else {
column = alphabet[first - 1] + "";
if (second == 0) {
column = column + alphabet[len] + "";
} else {
column = column + alphabet[second - 1] + "";
}
}
return column;
}
}

43
yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/util/ExcelUtils.java
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@ -1,11 +1,13 @@
package cn.iocoder.yudao.framework.excel.core.util;
import cn.iocoder.yudao.framework.common.core.KeyValue;
import cn.iocoder.yudao.framework.excel.core.handler.SelectSheetWriteHandler;
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.converters.longconverter.LongStringConverter;
import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.web.multipart.MultipartFile;
import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
@ -21,12 +23,12 @@ public class ExcelUtils {
/**
* 将列表以 Excel 响应给前端
*
* @param response 响应
* @param filename 文件名
* @param response 响应
* @param filename 文件名
* @param sheetName Excel sheet 名
* @param head Excel head 头
* @param data 数据列表哦
* @param <T> 泛型，保证 head 和 data 类型的一致性
* @param head Excel head 头
* @param data 数据列表哦
* @param <T> 泛型，保证 head 和 data 类型的一致性
* @throws IOException 写入失败的情况
*/
public static <T> void write(HttpServletResponse response, String filename, String sheetName,
@ -38,12 +40,37 @@ public class ExcelUtils {
.registerConverter(new LongStringConverter()) // 避免 Long 类型丢失精度
.sheet(sheetName).doWrite(data);
// 设置 header 和 contentType。写在最后的原因是，避免报错时，响应 contentType 已经被修改了
response.addHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(filename, StandardCharsets.UTF_8));
response.addHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(filename, StandardCharsets.UTF_8.name()));
response.setContentType("application/vnd.ms-excel;charset=UTF-8");
}
/**
* 将列表以 Excel 响应给前端
*
* @param response 响应
* @param filename 文件名
* @param sheetName Excel sheet 名
* @param head Excel head 头
* @param data 数据列表哦
* @param selectMap 下拉选择数据 Map
* @throws IOException 写入失败的情况
*/
public static <T> void write(HttpServletResponse response, String filename, String sheetName,
Class<T> head, List<T> data, List<KeyValue<Integer, List<String>>> selectMap) throws IOException {
// 输出 Excel
EasyExcel.write(response.getOutputStream(), head)
.autoCloseStream(false) // 不要自动关闭，交给 Servlet 自己处理
.registerWriteHandler(new LongestMatchColumnWidthStyleStrategy()) // 基于 column 长度，自动适配。最大 255 宽度
.registerWriteHandler(new SelectSheetWriteHandler(selectMap)) // 基于固定 sheet 实现下拉框
.registerConverter(new LongStringConverter()) // 避免 Long 类型丢失精度
.sheet(sheetName).doWrite(data);
// 设置 header 和 contentType。写在最后的原因是，避免报错时，响应 contentType 已经被修改了
response.addHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(filename, StandardCharsets.UTF_8.name()));
response.setContentType("application/vnd.ms-excel;charset=UTF-8");
}
public static <T> List<T> read(MultipartFile file, Class<T> head) throws IOException {
return EasyExcel.read(file.getInputStream(), head, null)
return EasyExcel.read(file.getInputStream(), head, null)
.autoCloseStream(false) // 不要自动关闭，交给 Servlet 自己处理
.doReadAllSync();
}