uniapp中小程序的授权操作

1. manifest.json： 
2.  
3. "permission": { 
4.             "scope.userLocation": { 
5.                 "desc": "提示文字" 
6.             } 
7.         } 

1. <template> 
2.     <view> 
3.         <button @click="handleLocation">手动授权</button> 
4.     </view> 
5. </template> 
6.  
7. <script> 
8.     export default { 
9.         data() { 
10.             return {} 
11.         }, 
12.         onLoad() { 
13.             // 初始化页面,执行查看已授权信息 
14.             this.getSettingMess(); 
15.         }, 
16.         methods: { 
17.             // 执行函数 
18.             getSettingMess() { 
19.                 // 获取已授权类别 
20.                 uni.getSetting({ 
21.                     success(res) { 
22.                         if (res.authSetting['scope.userLocation']) { 
23.                             console.log("userLocation位置功能已授权") 
24.                             // 如果已授权,直接获取对应参数 
25.                             uni.getLocation({ 
26.                                 success(res) { 
27.                                     console.log(res) 
28.                                 } 
29.                             }) 
30.                         } else if (!res.authSetting['scope.userLocation']) { 
31.                             // 说明此时要获取的位置功能尚未授权, 
32.                             // 则设置进入页面时主动弹出，直接授权 
33.                             uni.authorize({ 
34.                                 scope: 'scope.userLocation', 
35.                                 success(res) { 
36.                                     // 授权成功 
37.                                     console.log(res) 
38.                                     // 成功后获取对应的位置参数 
39.                                     uni.getLocation({ 
40.                                         success(res) { 
41.                                             console.log(res) 
42.                                         } 
43.                                     }) 
44.                                 }, 
45.                                 fail() { 
46.                                     console.log("位置授权失败") 
47.                                 } 
48.                             }) 
49.                         } 
50.                     }, 
51.                     fail() { 
52.                         console.log("获取授权信息授权失败") 
53.                     } 
54.                 }) 
55.             }, 
56.             // 如果初始进入页面时点击了拒绝授权,如需要该权限,需要手动授权 
57.             // 手动授权的触发方法 
58.             handleLocation() { 
59.                 uni.getSetting({ 
60.                     success(res) { 
61.                         if (res.authSetting['scope.userLocation']) { 
62.                             // 再次判断所需权限是否已授权,如已授权则直接使用 
63.                             uni.getLocation({ 
64.                                 success(res) { 
65.                                     console.log(res) 
66.                                 } 
67.                             }) 
68.                         } else if (!res.authSetting['scope.userLocation']) { 
69.                             // 如未授权则重新打开设置页面,进行授权 
70.                             uni.showModal({ 
71.                                 //弹出提示框 
72.                                 title: '是否打开设置页？', 
73.                                 content: '需要在设置中获取xx信息和xx权限', 
74.                                 success(res) { 
75.                                     if (res.confirm) { 
76.                                         // 用户点击确定按钮 
77.                                         uni.openSetting({ 
78.                                             // 确认后打开设置页面 
79.                                             success(res) { 
80.                                                 if(res.authSetting['scope.userLocation']){ 
81.                                                     console.log("手动授权成功") 
82.                                                 }else{ 
83.                                                     console.log("手动授权失败") 
84.                                                 } 
85.                                             }, 
86.                                             fail(){ 
87.                                                 console.log("打开设置页面失败") 
88.                                             } 
89.                                         }) 
90.                                     } else if (res.cancel) { 
91.                                         // 用户点击取消按钮 
92.                                         console.log('用户点击取消'); 
93.                                     } 
94.                                 }, 
95.                                 fail(){ 
96.                                     console.log("确认取消弹出未弹出") 
97.                                 } 
98.                             }); 
99.                         } 
100.                     }, 
101.                     fail(){ 
102.                         console.log("获取已授权信息失败") 
103.                     } 
104.                 }) 
105.             } 
106.         } 
107.     } 
108. </script>