BeanCopy
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import org.springframework.beans.BeanUtils;
import org.springframework.util.CollectionUtils;
import java.beans.PropertyDescriptor;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.function.Supplier;
public class BeanCopy {
public static T copy(Object o, Class clazz){
return copy(o, clazz, (String[]) null);
}
public static T copy(Object o, Class clazz, String... ignoreProperties){
T t = BeanUtils.instantiateClass(clazz);
BeanUtils.copyProperties(o, t, ignoreProperties);
return t;
}
public static List copyBatch(List objects, Class clazz){
return copyBatch(objects, clazz, (String[]) null);
}
public static List copyBatch(List objects, Class clazz, String... ignoreProperties){
if(!CollectionUtils.isEmpty(objects)){
List res = new ArrayList<>(objects.size());
for(Object o : objects){
res.add(copy(o, clazz, ignoreProperties));
}
return res;
}
return new ArrayList<>();
}
public static void copyProperties(Object source, T target) {
BeanUtils.copyProperties(source, target);
}
public static T copyProperties(Object source, Supplier targetClass) {
final T t = targetClass.get();
BeanUtils.copyProperties(source, t);
return t;
}
public static T copyProperties(S source, Supplier target, AsciiBeanUtilsCallBack beanUtilsCallBack) {
final T t = target.get();
BeanUtils.copyProperties(source, t);
if (beanUtilsCallBack != null) {
beanUtilsCallBack.callBack(source, t);
}
return t;
}
public static void copyNotNullProperties(Object source, Object target) {
BeanUtils.copyProperties(source, target, getNullPropertyNames(source));
}
public static List copyListProperties(List sources, Supplier target) {
List targetList = new ArrayList<>(sources.size());
sources.forEach(source -> {
final T t = target.get();
BeanUtils.copyProperties(source, t);
targetList.add(t);
});
return targetList;
}
public static List copyListProperties(List sources, Supplier target, AsciiBeanUtilsCallBack beanUtilsCallBack) {
List targetList = new ArrayList<>(sources.size());
sources.forEach(source -> {
final T t = target.get();
BeanUtils.copyProperties(source, t);
if (beanUtilsCallBack != null) {
beanUtilsCallBack.callBack(source, t);
}
targetList.add(t);
});
return targetList;
}
public static String[] getNullPropertyNames(Object source) {
final PropertyDescriptor[] propertyDescriptors = BeanUtils.getPropertyDescriptors(source.getClass());
//存放对象中属性值为空的属性名
final HashSet nullProperty = new HashSet<>();
Arrays.stream(propertyDescriptors).forEach(propertyDescriptor -> {
try {
final Object invoke = propertyDescriptor.getReadMethod().invoke(source);
if (invoke == null) {
nullProperty.add(propertyDescriptor.getName());
}
} catch (IllegalAccessException | InvocationTargetException e) {
throw new RuntimeException(e);
}
});
String[] results = new String[nullProperty.size()];
return nullProperty.toArray(results);
}
@FunctionalInterface
public interface AsciiBeanUtilsCallBack {
void callBack(S s, T t);
}
public static IPage copyPage(IPage obj, Class clazz) {
if (obj == null) {
return new Page<>();
} else {
IPage res = new Page<>();
res.setRecords(copyBatch(obj.getRecords(), clazz));
res.setTotal(obj.getTotal());
res.setCurrent(obj.getCurrent());
res.setSize(obj.getSize());
return res;
}
}
}
GPSUtil
public class GPSUtil {
public static double pi = 3.1415926535897932384626;
public static double x_pi = 3.14159265358979324 * 3000.0 / 180.0;
public static double a = 6378245.0;
public static double ee = 0.00669342162296594323;
public static void main(String[] ages){
//30.5467950000,104.0774990000
double[] d = bd09_To_Gcj02(30.5526405517D,104.0729371656D);
System.out.println("经纬度==>"+d[0]+" "+d[1]);
}
public static double transformLat(double x, double y) {
double ret = -100.0 + 2.0 * x + 3.0 * y + 0.2 * y * y + 0.1 * x * y
+ 0.2 * Math.sqrt(Math.abs(x));
ret += (20.0 * Math.sin(6.0 * x * pi) + 20.0 * Math.sin(2.0 * x * pi)) * 2.0 / 3.0;
ret += (20.0 * Math.sin(y * pi) + 40.0 * Math.sin(y / 3.0 * pi)) * 2.0 / 3.0;
ret += (160.0 * Math.sin(y / 12.0 * pi) + 320 * Math.sin(y * pi / 30.0)) * 2.0 / 3.0;
return ret;
}
public static double transformLon(double x, double y) {
double ret = 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1
* Math.sqrt(Math.abs(x));
ret += (20.0 * Math.sin(6.0 * x * pi) + 20.0 * Math.sin(2.0 * x * pi)) * 2.0 / 3.0;
ret += (20.0 * Math.sin(x * pi) + 40.0 * Math.sin(x / 3.0 * pi)) * 2.0 / 3.0;
ret += (150.0 * Math.sin(x / 12.0 * pi) + 300.0 * Math.sin(x / 30.0
* pi)) * 2.0 / 3.0;
return ret;
}
public static double[] transform(double lat, double lon) {
if (outOfChina(lat, lon)) {
return new double[]{lat,lon};
}
double dLat = transformLat(lon - 105.0, lat - 35.0);
double dLon = transformLon(lon - 105.0, lat - 35.0);
double radLat = lat / 180.0 * pi;
double magic = Math.sin(radLat);
magic = 1 - ee * magic * magic;
double sqrtMagic = Math.sqrt(magic);
dLat = (dLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * pi);
dLon = (dLon * 180.0) / (a / sqrtMagic * Math.cos(radLat) * pi);
double mgLat = lat + dLat;
double mgLon = lon + dLon;
return new double[]{mgLat,mgLon};
}
public static boolean outOfChina(double lat, double lon) {
if (lon < 72.004 || lon > 137.8347)
return true;
if (lat < 0.8293 || lat > 55.8271)
return true;
return false;
}
public static double[] gps84_To_Gcj02(double lat, double lon) {
if (outOfChina(lat, lon)) {
return new double[]{lat,lon};
}
double dLat = transformLat(lon - 105.0, lat - 35.0);
double dLon = transformLon(lon - 105.0, lat - 35.0);
double radLat = lat / 180.0 * pi;
double magic = Math.sin(radLat);
magic = 1 - ee * magic * magic;
double sqrtMagic = Math.sqrt(magic);
dLat = (dLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * pi);
dLon = (dLon * 180.0) / (a / sqrtMagic * Math.cos(radLat) * pi);
double mgLat = lat + dLat;
double mgLon = lon + dLon;
return new double[]{mgLat, mgLon};
}
public static double[] gcj02_To_Gps84(double lat, double lon) {
double[] gps = transform(lat, lon);
double lontitude = lon * 2 - gps[1];
double latitude = lat * 2 - gps[0];
return new double[]{latitude, lontitude};
}
public static double[] gcj02_To_Bd09(double lat, double lon) {
double x = lon, y = lat;
double z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * x_pi);
double theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * x_pi);
double tempLon = z * Math.cos(theta) + 0.0065;
double tempLat = z * Math.sin(theta) + 0.006;
double[] gps = {tempLat,tempLon};
return gps;
}
public static double[] bd09_To_Gcj02(double lat, double lon) {
double x = lon - 0.0065, y = lat - 0.006;
double z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * x_pi);
double theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * x_pi);
double tempLon = z * Math.cos(theta);
double tempLat = z * Math.sin(theta);
double[] gps = {tempLat,tempLon};
return gps;
}
public static double[] gps84_To_bd09(double lat,double lon){
double[] gcj02 = gps84_To_Gcj02(lat,lon);
double[] bd09 = gcj02_To_Bd09(gcj02[0],gcj02[1]);
return bd09;
}
public static double[] bd09_To_gps84(double lat,double lon){
double[] gcj02 = bd09_To_Gcj02(lat, lon);
double[] gps84 = gcj02_To_Gps84(gcj02[0], gcj02[1]);
//保留小数点后六位
gps84[0] = retain6(gps84[0]);
gps84[1] = retain6(gps84[1]);
return gps84;
}
private static double retain6(double num){
String result = String .format("%.6f", num);
return Double.valueOf(result);
}
}
