Xcode运行出现 xxx can only be used with ARC问题解决
当使用xcode运行项目时遇到xxx can only be used with ARC的问题，截图如下： 解决办法：只需要在target的build phases中，将compile sources中出现报错的.m文件，双击，然后输入-fobjc-arc，再enter即可；如下截图所示：
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相关文章
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- 2. @Field parameters can only be used with form encoding
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