jyblims的博客

方法一： double rate = new BigDecimal(((double) count / all) * 100).setScale(1, BigDecimal.ROUND_DOWN).doubleValue();方法二： // 创建一个数值格式化对象 NumberFormat numberFormat = NumberFormat.getInstance(); // 设置精确到小数点后2位

/** * 根据图片路径获取图片流+ 围栏渲染 动态设置图片大小，并以图片流的方式返回 * @param response * @param filePath 文件路径 eg: E:\\datacenter\\zhqb_electronicfence\\zhqb_electronicfence\\106051260944084055\\wpy-001\\2\\20210413202127.jpg * @param fenceArea 围栏坐标 [{"x":308.609375,"y":111

文件以流的方式返回 /** * 根据图片路径获取文件流 * * @param response 返回值 * @param path 图片路径 * @throws ServletException * @throws IOException */ @ApiOperation("根据图片路径获取文件流") @GetMapping("/getPresentImageStream") public void service(HttpServletResponse respo.

从路径A复制到路径B/** * 根据文件路径上传文件 * @param path * @param fileDocment * @return */ private String fileUploadByFilePath(String path, String fileDocment) { // 读取图片 File fileImage = new File(path); String filepath = fileDocment + File.separator + .

sql查询@Query(value = "select * from base_preset where base_sensor_id = ?1 and preset_no in (?2)" ,nativeQuery = true) List<BasePreset> findBySensorIdAndPresetNo(Long sensorId, List<String> presetNos);多条件无sql查询@Autowiredprivate BaseDept.

List<String> supplierNames = null; if(equipmentInfoVOList != null && equipmentInfoVOList.size() !=0){ supplierNames = equipmentInfoVOList.stream().filter(f -> f != null).filter(f -> StringUtils.isNotEmpty(f.getManufact

<!--word模板--> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi</artifactId> <version>3.17</version> </dependency> <dependenc.

**import javax.servlet.http.HttpServletRequest;import java.io.*;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.net.URLConnection;public class FileUtil { /* * 根据指定URL将文件下载到指定目标

docx4j依赖： <dependency> <groupId>org.docx4j</groupId> <artifactId>docx4j-export-fo</artifactId> <version>6.1.0</version> </dependency> /** * docx4j .

String fileName = “导出Excel.xlsx”; //创建名称String rpath = null;ClassLoader cldr=getClass().getClassLoader();if(null!=cldr){rpath = cldr.getResource("/").getPath();}else{rpath="###";}String os = S...

1.1 postForObjectString urlAddPatients = “http://192.168.10.180:8000/life-account/”+"/static/patients/addpatients";CompleteUserInfo completeUserInfo = new CompleteUserInfo();completeUserInfo.se...

创建好eureka实现zuul：首先是添加pom.xml文件的依赖： <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-eureka</artifactId> &l...

1. 添加依赖//jpush compile group: 'cn.jpush.api', name: 'jpush-client', version: '3.3.4'2. 注册极光用户//APP端注册极光Id,jpushId为每个用户在各个设备的唯一标识 public void registeAuroral(String jpushId) { JPushInterfac...