UITextView,UILable 控制行高

UITextView 和UILable 它本身是没有控制行高的。很多人说用Uiwebview,但我觉得那不好用，要用html布局麻烦，占内存。也有人说drawatpoint，但

发现画中文的时候也很占内存，我就投机取巧一下吧

UILable 跟下面的用法一样的自己改一下

//  DrawAtPoint
//
//  Created by xia kejie on 12-5-13.
//  Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
//

#import "ViewController.h"
#define LINENUM 20    //每行字数
#define LINEHEIGHT 30 //行高
@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad
{
    int begin=0;
    NSString *partialString;
   
    [super viewDidLoad];
    NSString* str=@"东南形胜,三吴都会,钱塘自古繁华。烟柳画桥,风帘翠幕,参差十万人家。云树 绕堤沙,怒涛卷霜雪,天堑无涯。市列珠玑,户盈罗绮,竞豪奢。重湖叠清嘉,有三秋桂子,十里荷花。羌管弄晴,菱歌泛夜,嬉嬉钓叟莲娃。千骑拥高衙,乘醉听箫鼓,吟赏烟霞。异日图将好景,归去凤池夸。云树 绕堤沙,怒涛卷霜雪,天堑无涯。市列珠玑,户盈罗绮,竞豪奢。重湖叠清嘉,有三秋桂子,十里荷花。羌管弄晴,菱歌泛夜,嬉嬉钓叟莲娃。千骑拥高衙,乘醉听箫鼓,吟赏烟霞。异日图将好景,归去凤池夸。";
    
    int num = str.length/LINENUM;
    NSLog(@"%d",str.length);
    NSLog(@"%d",num);
    for (int i=0; i<=num; i++) {
    UITextView* textview=[[UITextView alloc]init];
    NSLog(@"%d-----",begin);
    
    if(i==num)
    partialString=[str substringWithRange:NSMakeRange(begin,str.length%LINENUM)];   
    else
    partialString=[str substringWithRange:NSMakeRange(begin,LINENUM)];
    
    textview.backgroundColor=[UIColor clearColor];
    textview.text=partialString;
    textview.frame=CGRectMake(0, 30+i*LINEHEIGHT, 300, 30);
    [self.view addSubview:textview];

    begin+=LINENUM;
    NSLog(@"%@",partialString);
       
       
  }
	// Do any additional setup after loading the view, typically from a nib.
}

下载：http://download.csdn.net/detail/x1135768777/4299088