异常信息：
Undefined symbols for architecture i386: "operator delete[](void*)", referenced from: +[WeChatApiUtil EncodeBase64:] in libWeChatSDK.a(WeChatApiUtil.o) +[WeChatApiUtil NsDataEncodeBase64:] in libWeChatSDK.a(WeChatApiUtil.o) +[WeChatApiUtil DecodeWithBase64:] in libWeChatSDK.a(WeChatApiUtil.o) +[WeChatApiUtil DecodeBase64:] in libWeChatSDK.a(WeChatApiUtil.o) "operator new[](unsigned long)", referenced from: +[WeChatApiUtil EncodeBase64:] in libWeChatSDK.a(WeChatApiUtil.o) +[WeChatApiUtil NsDataEncodeBase64:] in libWeChatSDK.a(WeChatApiUtil.o) +[WeChatApiUtil DecodeWithBase64:] in libWeChatSDK.a(WeChatApiUtil.o) +[WeChatApiUtil DecodeBase64:] in libWeChatSDK.a(WeChatApiUtil.o)ld: symbol(s) not found for architecture i386clang: 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;
微信SDK导入报错 Undefined symbols for architecture i386："operator delete[](void*)", referenced from:
原文：http://www.cnblogs.com/hacjy/p/5163798.html
