UIWebView加载CSS样式的html

时间：2016-07-19 22:06:34 阅读：312 评论：0 收藏：0 [点我收藏+]

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源码

//
//  ViewController.m
//  CSS
//
//  Created by YouXianMing on 16/7/19.
//  Copyright © 2016年 YouXianMing. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    
    [super viewDidLoad];
    
    self.view.backgroundColor = [UIColor whiteColor];
    CGFloat width             = self.view.bounds.size.width;
    CGFloat height            = self.view.bounds.size.height;
    
    NSString *cssContentString = [NSString stringWithFormat:
                                  @"<html> \n"
                                  
                                  "<head> \n"
                                  "<style type=\"text/css\"> \n"
                                  "h1       {font-size: 20; font-family: \"Heiti SC\"; color: 4C4741;}\n"
                                  "body     {font-size: 15; font-family: \"Heiti SC\"; color: 4C4741;}\n"
                                  "p.style1 {text-indent: 2em;} \n"
                                  "p.style2 {text-indent: 2em; color: 000000;} \n"
                                  "</style> \n"
                                  "</head> \n"
                                  
                                  "<body>"
                                  "<h1 align=\"center\">穷玩车，富玩表，SB玩电脑??</h1>"
                                  "<p class=\"style1\">别沮丧了。虽然你不曾拥有一场说走就走的旅行，但至少还有一个说胖就胖的体型呀。</p>"
                                  "<p class=\"style2\"><i>虽然你的年龄过不了六一儿童节，但你的身高可以啊！</i></p>"
                                  "%@"
                                  "</body> \n"
                                  
                                  "</html>", [self htmlForJPGImage:[UIImage imageNamed:@"IMG_2845.jpg"]]];
    
    UIWebView *webView      = [[UIWebView alloc] initWithFrame:CGRectMake(0, 40, width, height - 40)];
    webView.backgroundColor = [UIColor whiteColor];
    [self.view addSubview:webView];
    [webView loadHTMLString:cssContentString baseURL:nil];
}

- (NSString *)htmlForJPGImage:(UIImage *)image {
    
    CGFloat   width       = self.view.bounds.size.width;
    NSData   *imageData   = UIImageJPEGRepresentation(image,1.0);
    NSString *imageSource = [NSString stringWithFormat:@"data:image/jpg;base64,%@",[imageData base64EncodedStringWithOptions:0]];
    return [NSString stringWithFormat:@"<img src=\"%@\" width = %f />", imageSource, width];
}

@end