2016 -03 -07 字符串是否包含字符串/字符
//gzz0307 下面四行的
NSString *getString=[NSString stringWithFormat:@"%@",StrartQv];
//字条串是否包含有某字符串 gzz0307
if ([getString rangeOfString:@"="].location == NSNotFound) {
NSLog(@"==不做处理==");
} else {
NSLog(@"包好 ====");
NSArray *arry=[getString componentsSeparatedByString:@"="];
NSString *lastString=[arry objectAtIndex:1];
StrartQv=[NSString stringWithFormat:@"%@",lastString];
}