uniapp 自定义导航栏 动态显示或隐藏返回图标 以及buttons_uniapp返回图标

fm：代码附上

page.json

		{
			"path": "pages/suggest/suggest",
			"style": {
				"navigationBarTitleText": "总裁信箱",
				"enablePullDownRefresh": false,
				"onReachBottomDistance": 50,
				"app-plus": {
					"titleNView": {
						"buttons": [
							{
								"text": "\ue614",
								"fontSrc": "/static/fonts/iconfont.ttf",
								"fontSize": "22px"
				
							}
						]
					}
				}
			}
		
		},
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

获取webview对象

	SuggestApis.getPresidentEmail().then(res => {
					uni.setNavigationBarTitle({
						title: res.data.page_title
					})
					if (res.data.is_president != 0) { 
						// #ifdef APP-PLUS
						var webView = this.$mp.page.$getAppWebview();
						webView.setTitleNViewButtonStyle(0, {
							text: ' ',
						});
						// #endif
					} else {
						return
					}
				})
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

附上相关链接 https://ask.dcloud.net.cn/article/35374