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统计分析导出Excel并生成折线图;

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This commit is contained in:
yu 2024-11-12 17:31:00 +08:00
parent cfdb86e037
commit 91efa06892
2 changed files with 19 additions and 30 deletions
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3
das/src/main/java/com/das/modules/page/controller/StatisticalAnalysisController.java
View File

@ -28,7 +28,6 @@ public class StatisticalAnalysisController {
/**
* 趋势分析Excel导出
* @param param 查询条件
* @return TD数据库数据
*/
@PostMapping("/trendAnalyseExport")
public void trendAnalyseExport(@RequestBody List<TrendAnalyseDto> param ,HttpServletRequest request, HttpServletResponse response) {
@ -38,7 +37,6 @@ public class StatisticalAnalysisController {
/**
* 功率曲线Excel导出
* @param param 查询条件
* @return TD数据库数据
*/
@PostMapping("/powerCurveExport")
public void powerCurveExport(@RequestBody TrendAnalyseDto param ,HttpServletRequest request, HttpServletResponse response) {
@ -49,7 +47,6 @@ public class StatisticalAnalysisController {
/**
* 趋势对比Excel导出
* @param param 查询条件
* @return TD数据库数据
*/
@PostMapping("/trendContrastExport")
public void trendContrastExport(@RequestBody TrendContrastDto param , HttpServletRequest request, HttpServletResponse response) {

46
das/src/main/java/com/das/modules/page/service/impl/StatisticalAnalysisServiceImpl.java
View File

@ -62,7 +62,7 @@ public class StatisticalAnalysisServiceImpl implements StatisticalAnalysisServic
@Autowired
private SysIotModelFieldMapper sysIotModelFieldMapper;
private SimpleDateFormat sdf = new SimpleDateFormat("HH:mm");
private final SimpleDateFormat sdf = new SimpleDateFormat("HH:mm");
/**
* 趋势分析Excel导出
@ -217,8 +217,7 @@ public class StatisticalAnalysisServiceImpl implements StatisticalAnalysisServic
Map<String, Map<String, Map<String, Object>>> stringMapMap = mapsList.get(i);
for (Map.Entry<String, Map<String, Map<String, Object>>> stringMapEntry : stringMapMap.entrySet()) {
for (Map.Entry<String, Map<String, Object>> mapEntry : stringMapEntry.getValue().entrySet()) {
String key = mapEntry.getKey();
pointName = key;
pointName = mapEntry.getKey();
for (Map.Entry<String, Object> stringObjectEntry : mapEntry.getValue().entrySet()) {
String key1 = stringObjectEntry.getKey();
if (key1.equals("times")) {
@ -226,7 +225,7 @@ public class StatisticalAnalysisServiceImpl implements StatisticalAnalysisServic
List<String> liststr = times.stream()
.map(timestamp -> new Date(timestamp))
.map(date -> sdf.format(date))
.collect(Collectors.toList());
.toList();
timesListstr.addAll(liststr);
}
if (key1.equals("values")) {
@ -262,9 +261,9 @@ public class StatisticalAnalysisServiceImpl implements StatisticalAnalysisServic
/**
* 趋势对比填充Excel数据集
*
* @param dataList
* @param map
* @param dataset
* @param dataList Excel数据集
* @param map 表格的列
* @param dataset Excel数据集
*/
private void setTrendContrastExcelValue(Map<String, Map<String, Map<String, Object>>> maps,
List<Map<String, Object>> dataList,
@ -282,7 +281,7 @@ public class StatisticalAnalysisServiceImpl implements StatisticalAnalysisServic
List<String> liststr = times.stream()
.map(timestamp -> new Date(timestamp))
.map(date -> sdf.format(date))
.collect(Collectors.toList());
.toList();
timesListstr.addAll(liststr);
}
if (key1.equals("values")) {
@ -348,9 +347,7 @@ public class StatisticalAnalysisServiceImpl implements StatisticalAnalysisServic
map.put("time", "时间");
List<String> strList = new ArrayList<>();
for (SnapshotValueQueryParam device : param.getDevices()) {
for (String attribute : device.getAttributes()) {
strList.add(attribute);
}
strList.addAll(device.getAttributes());
}
QueryWrapper<SysIotModelField> queryWrapper = new QueryWrapper<>();
queryWrapper.in("attribute_code", strList);
@ -399,7 +396,7 @@ public class StatisticalAnalysisServiceImpl implements StatisticalAnalysisServic
List<String> liststr = times.stream()
.map(timestamp -> new Date(timestamp))
.map(date -> sdf.format(date))
.collect(Collectors.toList());
.toList();
timesListstr.addAll(liststr);
}
if (key1.equals("values")) {
@ -459,8 +456,8 @@ public class StatisticalAnalysisServiceImpl implements StatisticalAnalysisServic
/**
* 下载Excel
*
* @param response
* @param writer
* @param response 响应对象
* @param writer Excel对象
*/
private void downloadExcel(HttpServletResponse response, ExcelWriter writer,String title) {
response.setCharacterEncoding(StandardCharsets.UTF_8.name());
@ -469,11 +466,10 @@ public class StatisticalAnalysisServiceImpl implements StatisticalAnalysisServic
response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate");
response.setHeader("Pragma", "no-cache");
response.setDateHeader("Expires", 0);
ServletOutputStream out = null;
try {
// 设置请求头属性
response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(title+".xls", StandardCharsets.UTF_8));
out = response.getOutputStream();
ServletOutputStream out = response.getOutputStream();
// 写出到文件
writer.flush(out, true);
// 关闭writer，释放内存
@ -546,20 +542,16 @@ public class StatisticalAnalysisServiceImpl implements StatisticalAnalysisServic
int height = 400;
try {
ChartUtils.saveChartAsPNG(new File(chartFilePath), chart, width, height);
} catch (IOException e) {
throw new ServiceException("图表保存为PNG文件失败==" + e);
}
byte[] bytes = null;
try {
bytes = java.nio.file.Files.readAllBytes(java.nio.file.Paths.get(chartFilePath));
byte[] bytes = java.nio.file.Files.readAllBytes(java.nio.file.Paths.get(chartFilePath));
int pictureIdx = workbook.addPicture(bytes, Workbook.PICTURE_TYPE_PNG);
// 计算数据的最后一行,创建图表插入位置的锚点
XSSFClientAnchor anchor = new XSSFClientAnchor(0, 1, 0, 1, 0, data.size() + 2, 15, data.size() + 30);
XSSFDrawing drawing = xssfSheet.createDrawingPatriarch();
drawing.createPicture(anchor, pictureIdx);
} catch (IOException e) {
throw new ServiceException("图表保存失败==" + e);
}
int pictureIdx = workbook.addPicture(bytes, Workbook.PICTURE_TYPE_PNG);
// 计算数据的最后一行,创建图表插入位置的锚点
XSSFClientAnchor anchor = new XSSFClientAnchor(0, 1, 0, 1, 0, data.size() + 2, 15, data.size() + 30);
XSSFDrawing drawing = xssfSheet.createDrawingPatriarch();
drawing.createPicture(anchor, pictureIdx);
}