需要效果

代碼實(shí)現(xiàn)
//給一個(gè)frame,可以限制圖片的大小。不給也行,會(huì)顯示圖片原本大小。
UIImageView *leftImgV = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 30, 30)];
leftImgV.image = [UIImage imageNamed:@"currOrder_btn_delete_pre"];
self.chongzhiTextField.leftView = leftImgV;
self.chongzhiTextField.leftViewMode = UITextFieldViewModeAlways;