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@ -365,7 +365,7 @@ public class ExcelKit {
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return data;
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}
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public static List<List<String>> getChartData(String docPath, int chartNumber, int skipRowCount) throws IOException, InvalidFormatException, DocumentException, InterruptedException {
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public static List<List<String>> readChart(String docPath, int chartNumber, int skipRowCount) throws IOException, InvalidFormatException, DocumentException, InterruptedException {
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return getChartDataByXml(docPath, chartNumber, skipRowCount);
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// InputStream is = new FileInputStream(docPath);
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@ -548,129 +548,125 @@ public class ExcelKit {
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UnCompress(sourceDoc);
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List<List<String>> matrix = new ArrayList<>();
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String xml = DocxUnzipDirectory + "word\\charts\\chart" + chartNumber + ".xml";
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if (!(new File(xml).exists())) {
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System.out.println(sourceDoc + " 没有找到第" + chartNumber + "个图表");
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return matrix;
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}
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//3、开始读取
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// 创建 SAXReader 对象,读取 XML 文件
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SAXReader reader = new SAXReader();
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Document document = reader.read(new File(xml));
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// 获取根元素
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Element root = document.getRootElement();
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//折线图
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//将xml用IDEA打开,搜索关键的数据值,然后右键查看XPATH完整路径可以获取到下面的路径
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///c:chartSpace/c:chart/c:plotArea/c:lineChart/c:ser/c:cat/c:numRef/c:numCache/c:pt/c:v
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//声明一个数组,图表的所有类型
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return readChart(xml);
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}
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/**
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* 将一个小数形式的字符串,转为保留两位小数的字符串
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*
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* @param v
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* @return
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*/
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public static String doubleWith2f(String v) {
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// 保留两位小数
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try {
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double d = Double.parseDouble(v);
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if (d == (int) d) {
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v = String.valueOf((int) d);
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} else {
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v = String.format("%.2f", d);
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}
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} catch (Exception err) {
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//do nothing
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}
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return v;
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}
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/**
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* 从XML中获取图表数据
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*
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* @param xmlPath
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* @return
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* @throws DocumentException
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*/
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public static List<List<String>> readChart(String xmlPath) throws DocumentException {
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//图表类型
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String[] CHART_TYPES = {"lineChart", "barChart"};//折线,柱状
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// 创建一个一维列表,用于存储转换后的列
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List<List<String>> transposed = new ArrayList<>();
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SAXReader reader = new SAXReader(); // 创建 SAXReader 对象,读取 XML 文件
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Document document = reader.read(new File(xmlPath));
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Element root = document.getRootElement();// 获取根元素
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//行数据库,不管是X轴的年份,还是Y轴的数值,都按行保存到一个二维列表中
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List<List<String>> tList = new ArrayList<>();
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List<Object> listObject = new ArrayList<>();
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List<Element> xList = new ArrayList<>();//横坐标,一般是年份
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List<Element> children = root.element("chart").element("plotArea").elements();//工作区
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boolean hadReadXList = false;//是不是已经读取过横坐标也就是年份的数据了
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for (Element child : children) {
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//将CHART_TYPES数组转换为List
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List<String> CHART_TYPES_LIST = Arrays.asList(CHART_TYPES);
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List<String> CHART_TYPES_LIST = Arrays.asList(CHART_TYPES);//将CHART_TYPES数组转换为List
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if (CHART_TYPES_LIST.contains(child.getName())) {//如果当前遍历到的子元素是折线图或者柱状图
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System.out.println("找到图表类型:" + child.getName());
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//System.out.println("找到图表类型:" + child.getName());
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String type = child.getName();
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//ce:chart element
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Element ce = root.element("chart").element("plotArea").element(type);
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System.out.println("Count=" + ce.elements("ser").size());
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Set<Element> set=new HashSet<>();
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for (int m = 0; m < ce.elements("ser").size(); m++) {
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Element ser = ce.elements("ser").get(m);
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//System.out.println(ser);
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for (int i = 0; i < ce.elements("ser").size(); i++) {
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Element ser = ce.elements("ser").get(i);
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//cat 标签
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Element cat = ser.element("cat");
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Element numRef = cat.element("numRef");
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Element f = numRef.element("f");
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System.out.println(f);
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System.out.println(f.getText());
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//数据
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Element numCache = numRef.element("numCache");
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xList = numCache.elements("pt");
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System.out.println(xList);
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//多个数据组,xList(横坐标年份数据)一定是一样的,并且它是最全的,只读取一次即可
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if (!hadReadXList) {
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List<Element> xList = numCache.elements("pt");
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List<String> yearList = new ArrayList<>();
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for (Element pt : xList) {
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String v = pt.element("v").getText();
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yearList.add(v);
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}
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//添加到横向的表中
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tList.add(yearList);
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hadReadXList = true;//标识读取过了
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}
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//======================================================
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//val标签
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Element val = ser.element("val");
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numRef = val.element("numRef");
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numCache = numRef.element("numCache");
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List<Element> yList = numCache.elements("pt");
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//不是每个索引号都一定有数据的,所以,先将存在的索引号保存到HashMap中,后面再遍历每个年份的索引号时,有的就读取数值,没有的就写成null
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Map<String, String> _map = new HashMap<>();
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for (Element pt : yList) {
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String idx = pt.attribute("idx").getValue();
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String v = pt.element("v").getText();
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//保留两位小数的字符串
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v = doubleWith2f(v);
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//保存到map中,一会再遍历时就知道哪个有,哪个没有,没有的需要填充null
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_map.put(idx, v);
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}
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//枚举一遍全的xList
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List<String> vList = new ArrayList<>();
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//首行就是年份行,它的size()就是标准宽度
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for (int j = 0; j < tList.getFirst().size(); j++) {
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vList.add(_map.getOrDefault(String.valueOf(j), null));
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}
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tList.add(vList);
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}
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}
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}
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///c:chartSpace/c:chart/c:plotArea/c:lineChart/c:ser/c:val/c:numRef/c:numCache
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// for (Element ser : root.element("chart").element("plotArea").element(type).elements("ser")) {
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// List<Element> yList = ser.element("val").element("numRef").element("numCache").elements("pt");
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//
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// //记录都有哪些有效数值和索引号
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// Map<Integer, Element> map = new HashMap<>();
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// for (Element e : yList) {
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// map.put(Integer.parseInt(e.attribute("idx").getValue()), e);
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// }
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// List<Object> list = new ArrayList<>();
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// for (int i = 0; i < xList.size(); i++) {
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// list.add(map.getOrDefault(i, null));
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// }
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// listObject.add(list);
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// }
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//
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//
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// //数据是按行读取的
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// for (int i = 0; i < listObject.size(); i++) {
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// List<String> row = new ArrayList<>();
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// List<Element> lo = (List<Element>) listObject.get(i);
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// for (Element e : lo) {
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// if (e == null) {
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// row.add(null);
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// } else {
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// //如果x可以转为小数,那么需要保留两位小数,如果可以转换为整数,那么直接返回整数,如果是字符串,就不变
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// String x = null;
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// try {
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// x = e.element("v").getText();
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// double d = Double.parseDouble(x);
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// if (d == (int) d) {
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// x = String.valueOf((int) d);
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// } else {
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// x = String.format("%.2f", d);
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// }
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// } catch (Exception err) {
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// //do nothing
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// }
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// row.add(x);
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// }
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// }
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// matrix.add(row);
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// }
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//
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// printTable(matrix);
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//
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//
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// //上面生成的数据格式需要行转列,横坐标是年份,纵坐标是数据
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// int rowCount = matrix.size();// 计算行数和列数
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// int colCount = matrix.getFirst().size();
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//
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// //System.out.println("行数:" + rowCount + " " + "列数:" + colCount);
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//
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// // 遍历每一列
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// for (int col = 0; col < colCount; col++) {
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// // 创建一个新的内部列表,用于存储当前列的所有行
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// List<String> column = new ArrayList<>();
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// // 遍历每一行,将当前列的值添加到新的内部列表中
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// for (int row = 0; row < rowCount; row++) {
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// String x = matrix.get(row).get(col);
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//
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// column.add(x);
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// }
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// // 将当前列添加到结果列表中
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// transposed.add(column);
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// }
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//实现行列转置
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// 创建一个一维列表,用于存储转换后的列
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List<List<String>> res = new ArrayList<>();
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//上面生成的数据格式需要行转列,横坐标是年份,纵坐标是数据
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int rowCount = tList.size();// 计算行数和列数
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int colCount = tList.getFirst().size();
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// 遍历每一列
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for (int col = 0; col < colCount; col++) {
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// 创建一个新的内部列表,用于存储当前列的所有行
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List<String> column = new ArrayList<>();
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// 遍历每一行,将当前列的值添加到新的内部列表中
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for (int row = 0; row < rowCount; row++) {
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String x = tList.get(row).get(col);
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column.add(x);
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}
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// 将当前列添加到结果列表中
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res.add(column);
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}
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// // 在每一行的第一列插入年份
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// for (
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// int i = 0; i < transposed.size(); i++) {
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// List<String> column = transposed.get(i);
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// column.addFirst(xList.get(i).element("v").getText()); // 在每行的开始插入序号
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// }
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return transposed;
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return res;
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}
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}
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