http://www.cnblogs.com/xianyulaodi/p/6547807.html

http://blog.csdn.net/woaifen3344/article/details/40782495

http://www.henishuo.com/base-on-afnetworking-wrapper/

http://www.reibang.com/p/31fc10ab51ee http://www.reibang.com/p/452b94df9...

http://blog.csdn.net/woaifen3344/article/details/47313901

1\ios修改textField的placeholder的字體顏色订咸、大小 textField.placeholder=@"username is...

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