使用的类:System.Runtime.Serialization.Json.DataContractJsonSerializer //MessagePackage 为要转成的类DataContractJsonSerializer json = new DataContractJsonSerializer(typeof(MessagePackage)); var mStream = new MemoryStream(Encoding.UTF8.GetBytes(message)); try {…
PHP json_decode object时报错Cannot use object of type stdClass as array php再调用json_decode从字符串对象生成json对象时,如果使用[]操作符取数据,会得到下面的错误错误:Cannot use object of type stdClass as array 产生原因:$res = json_decode($res);$res['key']; //把 json_decode() 后的对象当作数组使用. 解决方法(2种…
问题: 使用react-navigation时报错:undefined is not an object (evaluating rngesturehandlermodule.direction). 0.安装react-navigation npm i react-navigation 1.安装react-native-gesture-handler npm i react-native-gesture-handler 2.引入原生库 react-native link 3.react-nati…
执行 npm install socket.io安装时报错: [root@WEB node_modules]# npm install socket.ionpm WARN enoent ENOENT: no such file or directory, open '/usr/local/nodejs/bin/package.json' npm WARN bin No description npm WARN bin No repository field. npm WARN bin No RE…