在 uniapp 中为 App 添加手机获取权限申请，并添加告知目的

const permission = {
	// 初始化状态
	state: {
		// 处理应用程序权限请求
		WRITE_EXTERNAL_STORAGE: false,
		ACCESS_FINE_LOCATION: false,
		CALL_PHONE: false,
		CAMERA: false,
		RECORD_AUDIO: false,
		READ_CONTACTS: false,
		WRITE_CONTACTS: false,
		/* #ifdef APP-PLUS */
		isIos: plus.os.name == "iOS",
		/* #endif */
		mapping: {
			'WRITE_EXTERNAL_STORAGE': {
				title: "存储空间/照片权限申请说明",
				content: "****需要获取相册权限，以便识别图片、上传图片或视频。",
				methods: 'SET_WRITE_EXTERNAL_STORAGE'
			},
			'ACCESS_FINE_LOCATION': {
				title: "地理位置权限申请说明",
				content: "****需要获取当前位置，以便进行定位签到或设置活动地址。",
				methods: 'SET_ACCESS_FINE_LOCATION'
			},
			'CALL_PHONE': {
				title: "拨打/管理电话权限申请说明",
				content: "****需要获取电话权限，以便拨打电话。",
				methods: 'SET_CALL_PHONE'
			},
			'CAMERA': {
				title: '相机权限使用说明',
				content: '****需要获取相机权限，以便扫描二维码、拍摄以及录制视频。',
				methods: 'SET_CAMERA'
			},
			'RECORD_AUDIO': {
				title: '录音权限申请说明',
				content: '****需要获取麦克风权限，以便进行录音。',
				methods: 'SET_RECORD_AUDIO'
			},
			'READ_CONTACTS': {
				title: '通讯录权限申请说明',
				content: '****需要访问联系人，以便添加联系人到通讯录。',
				methods: 'SET_READ_CONTACTS'
			},
			'WRITE_CONTACTS': {
				title: '通讯录权限申请说明',
				content: '****需要访问联系人，以便添加联系人到通讯录。',
				methods: 'SET_WRITE_CONTACTS'
			}
		}
	},
	mutations: {
		// 管理权限告知目的
		SET_WRITE_EXTERNAL_STORAGE(state, val) {
			state.WRITE_EXTERNAL_STORAGE = val
		},
		SET_CALL_PHONE(state, val) {
			state.CALL_PHONE = val
		},
		SET_ACCESS_FINE_LOCATION(state, val) {
			state.ACCESS_FINE_LOCATION = val
		},
		SET_CAMERA(state, val) {
			state.CAMERA = val
		},
		SET_RECORD_AUDIO(state, val) {
			state.RECORD_AUDIO = val
		},
		SET_READ_CONTACTS(state, val) {
			state.READ_CONTACTS = val
		},
		SET_WRITE_CONTACTS(state, val) {
			state.WRITE_CONTACTS = val
		}
	},
	actions: {
		//权限获取
		async requestPermissions({state,dispatch,commit}, permissionID) {
			try {
				if (!state[permissionID] && !state.isIos) {
					var viewObj = await dispatch('nativeObjView', permissionID);
					viewObj.show();
				}
				console.log('android.permission.' + permissionID, '当前手机权限');
				return new Promise(async function (resolve, reject) {
					//苹果不需要这个
					if (state.isIos) {
						resolve(1);
						return
					}
					// Android权限查询
					function requestAndroidPermission(permissionID_) {
						return new Promise(function (resolve, reject) {
							plus.android.requestPermissions(
								[permissionID_], // 理论上支持多个权限同时查询，但实际上本函数封装只处理了一个权限的情况。有需要的可自行扩展封装
								function(resultObj) {
									var result = 0;
									for (var i = 0; i < resultObj.granted.length; i++) {
										// var grantedPermission = resultObj.granted[i];
										// console.log('已获取的权限：' + grantedPermission);
										result = 1
									}
									for (var i = 0; i < resultObj.deniedPresent.length; i++) {
										// var deniedPresentPermission = resultObj.deniedPresent[i];
										// console.log('拒绝本次申请的权限：' + deniedPresentPermission);
										result = 0
									}
									for (var i = 0; i < resultObj.deniedAlways.length; i++) {
										// var deniedAlwaysPermission = resultObj.deniedAlways[i];
										// console.log('永久拒绝申请的权限：' + deniedAlwaysPermission);
										result = -1
									}
									resolve(result);
								},
								function(error) {
									console.log('申请权限错误：' + error.code + " = " + error
										.message);
									resolve({
										code: error.code,
										message: error.message
									});
								}
							);
						});
					}
 
					const result = await requestAndroidPermission(
						'android.permission.' + permissionID
					);
					if (result === 1) {
						//'已获得授权'
						commit(state.mapping[permissionID].methods, true)
					} else if (result === 0) {
						//'未获得授权'
						commit(state.mapping[permissionID].methods, false)
					} else {
						commit(state.mapping[permissionID].methods, true)
						// uni.showModal({
						// 	title: '提示',
						// 	content: '操作权限已被拒绝，请手动前往设置',
						// 	confirmText: "立即设置",
						// 	success: (res) => {
						// 		if (res.confirm) {
						// 			dispatch('gotoAppPermissionSetting')
						// 		}
						// 	}
						// })
						console.log('操作权限已被拒绝，请手动前往设置')
					}
					if (viewObj) viewObj.close()
					resolve(result);
				});
			} catch (error) {
				console.log(error);
				// reject(error);
			}
		},
		//提示框
		nativeObjView({state}, permissionID) {
			const systemInfo = uni.getSystemInfoSync();
			const statusBarHeight = systemInfo.statusBarHeight;
			const navigationBarHeight = systemInfo.platform === 'android' ? 48 :
				44; // Set the navigation bar height based on the platform
			const totalHeight = statusBarHeight + navigationBarHeight;
			let view = new plus.nativeObj.View(permissionID, {
				top: '0px',
				left: '0px',
				width: '100%',
				backgroundColor: '#444',
				//opacity: .5;
			})
			view.drawRect({
				color: '#fff',
				radius: '5px'
			}, {
				top: totalHeight + 'px',
				left: '5%',
				width: '90%',
				height: "100px",
			})
			view.drawText('权限使用说明', {
				top: totalHeight + 5 + 'px',
				left: "8%",
				height: "30px"
			}, {
				align: "left",
				color: "#000",
			}, {
				onClick: function(e) {
					console.log(e);
				}
			})
			view.drawText(state.mapping[permissionID].content, {
				top: totalHeight + 35 + 'px',
				height: "60px",
				left: "8%",
				width: "84%"
			}, {
				whiteSpace: 'normal',
				size: "14px",
				align: "left",
				color: "#656563"
			})
 
			function show() {
				view = plus.nativeObj.View.getViewById(permissionID);
				view.show()
				view = null //展示的时候也得清空，不然影响下次的关闭，不知道为啥
			}
 
			function close() {
				view = plus.nativeObj.View.getViewById(permissionID);
				view.close();
				view = null
			}
			return {
				show,
				close
			}
		},
		// 跳转到**应用**的权限页面
		gotoAppPermissionSetting({state}) {
			if (state.isIos) {
				var UIApplication = plus.ios.import("UIApplication");
				var application2 = UIApplication.sharedApplication();
				var NSURL2 = plus.ios.import("NSURL");
				// var setting2 = NSURL2.URLWithString("prefs:root=LOCATION_SERVICES");		
				var setting2 = NSURL2.URLWithString("app-settings:");
				application2.openURL(setting2);
 
				plus.ios.deleteObject(setting2);
				plus.ios.deleteObject(NSURL2);
				plus.ios.deleteObject(application2);
			} else {
				// console.log(plus.device.vendor);
				var Intent = plus.android.importClass("android.content.Intent");
				var Settings = plus.android.importClass("android.provider.Settings");
				var Uri = plus.android.importClass("android.net.Uri");
				var mainActivity = plus.android.runtimeMainActivity();
				var intent = new Intent();
				intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
				var uri = Uri.fromParts("package", mainActivity.getPackageName(), null);
				intent.setData(uri);
				mainActivity.startActivity(intent);
			}
		}
 
	}
 
}
export default permission