easyexcel 合并单元格-表头
1. 添加依赖
com.alibaba
easyexcel
2.2.6
2.表头(含单元格合并)
public List> ExcelHead() {
List> headList = new ArrayList();
headList.add(new ArrayList() {{
add("时间");
add("参数名\\回路名");
}});
headList.add(new ArrayList() {{
add("时间" }});
headList.add(new ArrayList() {{
add("时间");
add("电流I(A)");
}});
headList.add(new ArrayList() {{
add("环境温度：" + temperature);
add("相电压U");
}});
headList.add(new ArrayList() {{
add("环境温度");
add("线电压U");
}});
headList.add(new ArrayList() {{
add("环境温度");
add("频率(Hz)");
}});
headList.add(new ArrayList() {{
add("环境湿度");
add("开关分合(分\\合)");
}});
headList.add(new ArrayList() {{
add("环境湿度");
add("总有功功率(kW)");
}});
headList.add(new ArrayList() {{
add("抄表记录单");
add("总无功功率(kVar)");
}});
headList.add(new ArrayList() {{
add("抄表记录单");
add("总功率因数");
}});
headList.add(new ArrayList() {{
add("抄表记录单");
add("正向有功电能(kW.h)");
}});
headList.add(new ArrayList() {{
add("项目");
add("正向无功电能(kVar.h)");
}});
headList.add(new ArrayList() {{
add("表单号");
add("所属变压器");
}});
headList.add(new ArrayList() {{
add("表单号");
add("变压器温度(℃)");
}});
return headList;
} 3. 数据逻辑
List data = statisticmapper.runreport(statisticdto);
for (int i = 0; i < data.size(); i++) {
String id = data.get(i).get("id").toString();
String name = data.get(i).get("equipment_name").toString();
if (data.get(i).get("paramid") == null) continue;
String paramid = data.get(i).get("paramid").toString();
String point_id = data.get(i).get("point_id").toString();
String value = data.get(i).get("value").toString();
switch (paramid) {
case "e2fa092c-6146-11eb-82f0-6c2b59bec1ff":
temperature = value + "℃ ";
continue;
case "70536171-6147-11eb-82f0-6c2b59bec1ff":
humidity = value + "%";
continue;
}
if (!devicecheck.contains(id)) {
tosave.add(rowdata(name, "A相"));
tosave.add(rowdata(name, "B相"));
tosave.add(rowdata(name, "C相"));
devicecheck.add(id);
}
if (dic.containsKey(id + point_id)) continue;
dic.put(id + point_id, i);
int index = devicecheck.indexOf(id) * 3;
switch (paramid) {
case "069d9c73-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index).set(5, value);
tosave.get(index + 1).set(5, value);
tosave.get(index + 2).set(5, value);
break;
case "068d17d6-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index).set(7, value);
tosave.get(index + 1).set(7, value);
tosave.get(index + 2).set(7, value);
break;
case "071ce9e3-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index).set(8, value);
tosave.get(index + 1).set(8, value);
tosave.get(index + 2).set(8, value);
break;
case "05b23645-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index).set(9, value);
tosave.get(index + 1).set(9, value);
tosave.get(index + 2).set(9, value);
break;
case "062ee255-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index).set(10, value);
tosave.get(index + 1).set(10, value);
tosave.get(index + 2).set(10, value);
break;
case "06dd3edb-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index).set(11, value);
tosave.get(index + 1).set(11, value);
tosave.get(index + 2).set(11, value);
break;
case "061fa440-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index).set(2, value);
break;
case "06fa867e-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index).set(3, value + "kV");
break;
case "05952cc2-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index).set(4, "Uab(" + value + "kV)");
break;
case "06805737-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index + 1).set(2, value);
break;
case "05f1ca1b-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index + 1).set(3, value + "kV");
break;
case "06ab9dbf-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index + 1).set(4, "Uab(" + value + "kV)");
break;
case "0604e966-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index + 2).set(2, value);
break;
case "058946a7-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index + 2).set(3, value + "kV");
break;
case "06b858c6-6148-11eb-82f0-6c2b59bec1ff":
tosave.get(index + 2).set(4, "Uab(" + value + "kV)");
break;
}
} public List rowdata(String name, String type) {
return new ArrayList() {{
add(name);
add(type);
add("-");
add("-");
add("-");
add("-");
add("-");
add("-");
add("-");
add("-");
add("-");
add("-");
add("无");
add("-");
}};
} 3.excel
List> head = ExcelHead();
EasyExcel.write(fileUrl).head(head).sheet(sheetname)
// .registerWriteHandler(StyleStrategy())
// .registerWriteHandler(new ReportMergeStrategy(devicecheck.size()))//自定义合并 单元格
// .registerWriteHandler(new RowWriteHandler())
.doWrite(tosave); 4. 结果
| 时间 | 环境温度 | 环境湿度 | 抄表记录单 | 项目 | 表单号 | ||||||||
| 参数名\回路名 | 电流I(A) | 相电压U | 线电压U | 频率(Hz) | 开关分合(分\合) | 总有功功率(kW) | 总无功功率(kVar) | 总功率因数 | 正向有功电能(kW.h) | 正向无功电能(kVar.h) | 所属变压器 | 变压器温度(℃) | |
| 1#高压出线 | A相 | 0.00 | 10.54kV | Uab(10.54kV) | 50.00 | - | 0.00 | - | 0.00 | - | - | 无 | - |
| 1#高压出线 | B相 | 0.00 | 10.52kV | Uab(10.50kV) | 50.00 | - | 0.00 | - | 0.00 | - | - | 无 | - |
| 1#高压出线 | C相 | 0.00 | 10.50kV | Uab(10.52kV) | 50.00 | - | 0.00 | - | 0.00 | - | - | 无 | - |