04 2020 档案

摘要:实际是数组的问题 var set1 = new Set(); set1.add("123"); set1.add("345"); //toList 其他类型转换成List var L2 = set1.toList(); print(L2); //join 把List转换成字符串 var str = 阅读全文
posted @ 2020-04-25 23:19 Locog 阅读(178) 评论(0) 推荐(0)
摘要:在MaterialApp中会导致Navigator 报错 1.使用main 进行转移 return MaterialApp( title: 'xxxx', debugShowCheckedModeBanner: false, //去掉页面右上角的debug标识 theme: ThemeData( p 阅读全文
posted @ 2020-04-14 17:19 Locog 阅读(760) 评论(0) 推荐(0)
摘要:原代码: var Params = { "tokens":["1"], "data": "123",};final response = await http.post(url, body: Params); //post请求解决办法: Map<String, dynamic> body = { " 阅读全文
posted @ 2020-04-14 11:13 Locog 阅读(4028) 评论(0) 推荐(0)