//
//  NSString+StringHeight.h
//  USA
//
//  Created by YouXianMing on 14/12/10.
//  Copyright (c) 2014年 fuhuaqi. All rights reserved.
//

#import <Foundation/Foundation.h>@interface NSString (StringHeight)/***  计算文本的高度**  @param font  字体*  @param width 固定的宽度**  @return 高度*/
- (CGFloat)heightWithLabelFont:(UIFont *)font withLabelWidth:(CGFloat)width;/***  计算文本的宽度**  @param font 字体**  @return 宽度*/
- (CGFloat)widthWithLabelFont:(UIFont *)font;@end

//
//  NSString+StringHeight.m
//  USA
//
//  Created by YouXianMing on 14/12/10.
//  Copyright (c) 2014年 fuhuaqi. All rights reserved.
//

#import "NSString+StringHeight.h"@implementation NSString (StringHeight)- (CGFloat)heightWithLabelFont:(UIFont *)font withLabelWidth:(CGFloat)width {CGFloat height = 0;if (self.length == 0) {height = 0;} else {// 字体NSDictionary *attribute = @{NSFontAttributeName: [UIFont systemFontOfSize:18.f]};if (font) {attribute = @{NSFontAttributeName: font};}// 尺寸CGSize retSize = [self boundingRectWithSize:CGSizeMake(width, MAXFLOAT)options:NSStringDrawingTruncatesLastVisibleLine |NSStringDrawingUsesLineFragmentOrigin |NSStringDrawingUsesFontLeadingattributes:attributecontext:nil].size;height = retSize.height;}return height;
}- (CGFloat)widthWithLabelFont:(UIFont *)font {CGFloat retHeight = 0;if (self.length == 0) {retHeight = 0;} else {// 字体NSDictionary *attribute = @{NSFontAttributeName: [UIFont systemFontOfSize:18.f]};if (font) {attribute = @{NSFontAttributeName: font};}// 尺寸CGSize retSize = [self boundingRectWithSize:CGSizeMake(MAXFLOAT, 0)options:NSStringDrawingTruncatesLastVisibleLine |NSStringDrawingUsesLineFragmentOrigin |NSStringDrawingUsesFontLeadingattributes:attributecontext:nil].size;retHeight = retSize.width;}return retHeight;
}@end

//
//  LabelView.h
//  YXMWeather
//
//  Created by XianMingYou on 15/2/16.
//  Copyright (c) 2015年 XianMingYou. All rights reserved.
//

#import <UIKit/UIKit.h>
#import "NSString+StringHeight.h"@interface LabelView : UIView/***  文本*/
@property (nonatomic, strong) NSString  *text;/***  文本颜色*/
@property (nonatomic, strong) UIColor   *textColor;/***  文本字体*/
@property (nonatomic, strong) UIFont    *font;/***  背景色*/
@property (nonatomic, strong) UIColor   *color;/***  距离顶部的距离*/
@property (nonatomic) CGFloat gapFromTop;/***  距离底部的距离*/
@property (nonatomic) CGFloat gapFromBottom;/***  距离左侧的距离*/
@property (nonatomic) CGFloat gapFromLeft;/***  距离右侧的距离*/
@property (nonatomic) CGFloat gapFromRight;/***  创建出view*/
- (void)buildView;/***  创建出默认配置的label**  @param text   字符串*  @param origin 起始位置**  @return 实例对象*/
+ (instancetype)createWithText:(NSString *)text atOrigin:(CGPoint)origin;@end

//
//  LabelView.m
//  YXMWeather
//
//  Created by XianMingYou on 15/2/16.
//  Copyright (c) 2015年 XianMingYou. All rights reserved.
//

#import "LabelView.h"@interface LabelView ()@property (nonatomic) CGFloat          labelWidth;
@property (nonatomic) CGFloat          labelHeight;@property (nonatomic, strong) UILabel *label;@end@implementation LabelView- (void)buildView {// 设置labelself.label.text      = self.text;self.label.font      = self.font;self.label.textColor = self.textColor;// 获取宽度self.labelWidth   = [self.text widthWithLabelFont:self.font];self.labelHeight  = [self.text heightWithLabelFont:self.font withLabelWidth:MAXFLOAT];self.label.width  = self.labelWidth;self.label.height = self.labelHeight;// 计算间距self.label.x = self.gapFromLeft;self.label.y = self.gapFromTop;// 重新设置尺寸self.width  = self.labelWidth + self.gapFromLeft + self.gapFromRight;self.height = self.labelHeight + self.gapFromTop + self.gapFromBottom;// 设置背景色if (self.color) {self.backgroundColor = self.color;}
}@synthesize label = _label;
- (UILabel *)label {if (_label == nil) {_label = [[UILabel alloc] initWithFrame:CGRectZero];_label.textAlignment = NSTextAlignmentCenter;[self addSubview:_label];}return _label;
}+ (instancetype)createWithText:(NSString *)text atOrigin:(CGPoint)origin {LabelView *labelView    = [[LabelView alloc] initWithFrame:CGRectMake(origin.x, origin.y, 0, 0)];labelView.color         = [UIColor blackColor];labelView.text          = text;labelView.textColor     = [UIColor whiteColor];labelView.font          = [UIFont fontWithName:LATO_BOLD size:8];labelView.gapFromLeft   = 10.f;labelView.gapFromRight  = 10.f;labelView.gapFromTop    = 2.f;labelView.gapFromBottom = 2.f;[labelView buildView];return labelView;
}@end