_currenTable.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.55];
防止字体透明
//中文的地址处理
NSString *URLString = [NSURL URLWithString:ktdemodel.img] ? ktdemodel.img : [self strUTF8Encoding:ktdemodel.img];
-(NSString *)strUTF8Encoding:(NSString *)str
{
return [str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
}