From 1254791f19cf3a1ff70e4ce7c2c41934f5c70115 Mon Sep 17 00:00:00 2001
From: liuyg <liuyg@qq.com>
Date: Tue, 22 Mar 2022 12:02:34 +0800
Subject: [PATCH] +
---
src/components/mapOncePoint/chousePoint.vue | 84 +++++++++++++++++++++++++++++++++++++++++-
1 files changed, 82 insertions(+), 2 deletions(-)
diff --git a/src/components/mapOncePoint/chousePoint.vue b/src/components/mapOncePoint/chousePoint.vue
index 2609b43..894ce0d 100644
--- a/src/components/mapOncePoint/chousePoint.vue
+++ b/src/components/mapOncePoint/chousePoint.vue
@@ -33,7 +33,14 @@
// this.chousePointData[1] &&
// this.chousePointData[2]
// ) {
- this.$emit("setData", this.chousePointData);
+ let outInt = this.gcj02towgs84(
+ this.chousePointData[0],
+ this.chousePointData[1]
+ );
+ let outdata = [...outInt, this.chousePointData[2]];
+ console.log(this.chousePointData, "gcj02");
+ console.log(outdata, " wgs84");
+ this.$emit("setData", outdata);
// } else {
// this.$message.error("未成功选择地点");
// this.$emit("setData", ["", "", ""]);
@@ -45,7 +52,80 @@
},
methods: {
openMaps(data) {
- this.chousePointData = [data.jd, data.wd, data.name];
+ //转wgs84
+ let ints = this.wgs84togcj02(data.jd, data.wd);
+ this.chousePointData = [...ints, data.name];
+ },
+ wgs84togcj02(lng, lat) {
+ var lat = +lat;
+ var lng = +lng;
+ if (this.out_of_china(lng, lat)) {
+ return [lng, lat];
+ } else {
+ var dlat = this.transformlat(lng - 105.0, lat - 35.0);
+ var dlng = this.transformlng(lng - 105.0, lat - 35.0);
+ var radlat = (lat / 180.0) * PI;
+ var magic = Math.sin(radlat);
+ magic = 1 - ee * magic * magic;
+ var sqrtmagic = Math.sqrt(magic);
+ dlat = (dlat * 180.0) / (((a * (1 - ee)) / (magic * sqrtmagic)) * PI);
+ dlng = (dlng * 180.0) / ((a / sqrtmagic) * Math.cos(radlat) * PI);
+ var mglat = lat + dlat;
+ var mglng = lng + dlng;
+ return [mglng, mglat];
+ }
+ },
+ // GCJ02 转换为 WGS84
+ gcj02towgs84(lng, lat) {
+ var lat = +lat;
+ var lng = +lng;
+ // 判断是否在国内，不在国内则不做偏移
+ if (this.out_of_china(lng, lat)) {
+ return [lng, lat];
+ } else {
+ var dlat = this.transformlat(lng - 105.0, lat - 35.0);
+ var dlng = this.transformlng(lng - 105.0, lat - 35.0);
+ var radlat = (lat / 180.0) * PI;
+ var magic = Math.sin(radlat);
+ magic = 1 - ee * magic * magic;
+ var sqrtmagic = Math.sqrt(magic);
+ dlat = (dlat * 180.0) / (((a * (1 - ee)) / (magic * sqrtmagic)) * PI);
+ dlng = (dlng * 180.0) / ((a / sqrtmagic) * Math.cos(radlat) * PI);
+ var mglat = lat + dlat;
+ var mglng = lng + dlng;
+ return [lng * 2 - mglng, lat * 2 - mglat];
+ }
+ },
+ out_of_china(lng, lat) {
+ var lat = +lat;
+ var lng = +lng;
+ // 纬度3.86~53.55,经度73.66~135.05
+ return !(lng > 73.66 && lng < 135.05 && lat > 3.86 && lat < 53.55);
+ },
+ transformlat(lng, lat) {
+ var lat = +lat;
+ var lng = +lng;
+ var ret =
+ -100.0 +
+ 2.0 * lng +
+ 3.0 * lat +
+ 0.2 * lat * lat +
+ 0.1 * lng * lat +
+ 0.2 * Math.sqrt(Math.abs(lng));
+ ret +=
+ ((20.0 * Math.sin(6.0 * lng * PI) + 20.0 * Math.sin(2.0 * lng * PI)) *
+ 2.0) /
+ 3.0;
+ ret +=
+ ((20.0 * Math.sin(lat * PI) + 40.0 * Math.sin((lat / 3.0) * PI)) *
+ 2.0) /
+ 3.0;
+ ret +=
+ ((160.0 * Math.sin((lat / 12.0) * PI) +
+ 320 * Math.sin((lat * PI) / 30.0)) *
+ 2.0) /
+ 3.0;
+ return ret;
},
},
};
--
Gitblit v1.9.3