自己项目中写的同步请求，笔记下。
// 检查是否开启位置信息权限
checkOpenPermission() {
//检查权限
uni.showLoading({
title: '加载中',
mask: true
})
Promise.resolve().then(res => {
// 第一步 定位权限
return new Promise((resolve, reject) => {
let result = WaPermision.checkSystemEnableLocation();
if(!result) {
uni.showModal({
title: '提示',
content: '请打开定位服务功能',
showCancel: false,
success() {
var main = plus.android.runtimeMainActivity();
var Intent = plus.android.importClass('android.content.Intent');
var Settings = plus.android.importClass('android.provider.Settings');
var intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
main.startActivity(intent); // 打开系统设置GPS服务页面
}
});
reject()
}else {
console.log('已开启定位服务功能');
resolve()
}
})
}).then(() => {
return new Promise((resolve, reject) => {
// 第二步 相机权限
WaPermision.requestAndroidPermission('android.permission.CAMERA').then((res=>{
if (res == 1) {
console.log('已获得授权')
resolve()
} else if (res == 0) {
console.log('未授权')
uni.showModal({
title: '提示',
content: '请开启相机权限服务!',
showCancel: false,
success() {
WaPermision.gotoAppPermissionSetting()
}
});
reject()
} else {
console.log('被永久拒绝权限')
}
}))
})
}).then(() => {
return new Promise((resolve, reject) => {
// 第三步 获取当前定位的经纬度
let that = this
uni.getLocation({
type: 'gcj02',
geocode: true,
isHighAccuracy: true,
success(res) {
let {
latitude, longitude } = res
let x = longitude
let y = latitude
let x_pi = (3.14159265358979324 * 3000.0) / 180.0
let z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * x_pi)
let theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * x_pi)
let lngs = z * Math.cos(theta) + 0.0065
let lats = z * Math.sin(theta) + 0.006
that.longitude = lngs
that.latitude = lats
resolve()
console.log('获取经纬度成功',lngs,lats)
},fail: function () {
uni.showToast({
title: '获取地址失败，将导致部分功能不可用',
icon:'none'
});
reject()
}
})
})
}).then(() => {
// 第四步 定位位置校验
let that = this
let data = {
longitude:that.longitude,
latitude:that.latitude
}
checkScope(data).then(res => {
if(res.data){
uni.hideLoading()
this.$tab.navigateTo('/pages/checking/index')
resolve()
console.log('经纬度校验成功')
}else{
uni.hideLoading()
uni.showModal({
title: '温馨提示',
content: '您未处于考勤范围内，请打卡手机定位尝试更换位置或联系管理员设置考勤范围',
showCancel: false,
success() {
console.log('确定')
}
});
this.$modal.showToast(res.msg)
reject()
}
})
})
},