修改测试bug

src/utils/echartMethod.ts

@@ -1,3 +1,4 @@
+// 处理y轴最大最小值
 export const yMethod = (arr: any) => {
     let maxValue = 0
     let minValue = 0
@@ -24,3 +25,24 @@ export const yMethod = (arr: any) => {
     }
     return [min, max]
 }
+// 导出csv文件
+const convertToCSV = (title: object,data) => {
+    let csv = '';
+    // 添加列头  
+    csv += ' ,'+title.join(',') + '\n';
+    // 遍历数据并添加到CSV字符串中  
+    data.forEach(item => {
+        csv += `${item.x},${item.y}\n`;
+    });
+    return csv;
+}
+export const exportCSV = (title: object,data: any,filename:string) => {
+    const csv = convertToCSV(title,data);
+    const blob = new Blob([csv], { type: 'text/csv;charset=utf-8;' });
+    const link = document.createElement('a');
+    link.href = URL.createObjectURL(blob);
+    link.download = filename;
+    link.click();
+    // 释放URL对象  
+    URL.revokeObjectURL(link.href);
+}