微信SDK导入报错 Undefined symbols for architecture i386："operator delete[](void*)", referenced from:

异常信息：

1. Undefined symbols for architecture i386:
3.  "operator delete[](void*)", referenced from:
5.      +[WeChatApiUtil EncodeBase64:] in libWeChatSDK.a(WeChatApiUtil.o)
7.      +[WeChatApiUtil NsDataEncodeBase64:] in libWeChatSDK.a(WeChatApiUtil.o)
9.      +[WeChatApiUtil DecodeWithBase64:] in libWeChatSDK.a(WeChatApiUtil.o)
11.      +[WeChatApiUtil DecodeBase64:] in libWeChatSDK.a(WeChatApiUtil.o)
13.  "operator new[](unsigned long)", referenced from:
15.      +[WeChatApiUtil EncodeBase64:] in libWeChatSDK.a(WeChatApiUtil.o)
17.      +[WeChatApiUtil NsDataEncodeBase64:] in libWeChatSDK.a(WeChatApiUtil.o)
19.      +[WeChatApiUtil DecodeWithBase64:] in libWeChatSDK.a(WeChatApiUtil.o)
21.      +[WeChatApiUtil DecodeBase64:] in libWeChatSDK.a(WeChatApiUtil.o)
23. ld: symbol(s) not found for architecture i386
25. clang: error: linker command failed with exit code 1 (use -v to see invocation)

解决办法：在Build Phases选项卡的Link Binary With Libraries中，增加以下依赖：

注意：如果是Xcode 7.0之后的版本,需要添加libc++.tdb,libz.tdb;    

        如果是Xcode 7.0之前的版本,需要添加libc++.dylib,libz.dylib;