代码如下：

/**
 跳转到微信，并打开指定的URL

 @return <#return value description#>
 */
+(BOOL) openWeChat:(NSString *)url
{
    //wx0b577bb0399ff7d7
    NSString *headString = @"weixin://";
    
    headString =  [headString stringByAppendingString:url];
    BOOL canOpen = [[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"weixin:/"]];
    if(canOpen)
     //打开微信
    return [[UIApplication sharedApplication] openURL:[NSURL URLWithString:headString]];
        

    return FALSE;
}