1、写入(本地)
NSArray *paths=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *path=[paths objectAtIndex:0];
NSString *Json_path=[path stringByAppendingPathComponent:@"JsonFile.json"];
//==写入文件
NSLog(@"%@",[JsonData writeToFile:Json_pathatomically:YES] ? @"Succeed":@"Failed");
2、读取
//==Json文件路径
NSArray *paths=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *path=[paths objectAtIndex:0];
NSString *Json_path=[path stringByAppendingPathComponent:@"JsonFile.json"];
//==Json数据
NSData *data=[NSData dataWithContentsOfFile:Json_path];
//==JsonObject
id JsonObject=[NSJSONSerialization JSONObjectWithData:data
options:NSJSONReadingAllowFragments
error:&error]
//nslog (@"%@",jsonobject);打印json字典
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