关于webview 加载本地图片资源显示不出来的解决办法

来源：互联网发布：阿里云服务器如何使用编辑：程序博客网时间：2024/05/20 06:28

由于项目需要需要加载本地和网络的图片

由于数据是动态的所以我需要把得到的html网页拆揭换上动态数据

可是遇到一个奇怪的问题加载出来的东西本地的图片不能加载上。。。。其余的文字什么的都没有问题

网上找了个例子

NSString *path = [[NSBundle mainBundle] bundlePath];

NSURL *baseURL = [NSURL fileURLWithPath:path];

NSString *htmlString = [NSString stringWithContentsOfFile:[[NSBundle mainBundle]pathForResource:@"index_pic1"ofType:@"html"] encoding:NSUTF8StringEncoding error:nil];

[self.moblieWebView loadHTMLString:htmlStringbaseURL:baseURL];

把我自己获得的html 填充进去没有任何问题

很奇怪问题在哪呢？

self.finalStr = [NSMutableString string]; //初始化拼装字符串

self.moblieWebView = [[[UIWebViewalloc]initWithFrame:CGRectMake(self.view.frame.origin.x,self.view.frame.origin.y, self.view.frame.size.width,self.view.frame.size.height - kTabBarHeight) ] autorelease];

self.moblieWebView.autoresizingMask =UIViewAutoresizingFlexibleWidth |UIViewAutoresizingFlexibleHeight;

self.moblieWebView.dataDetectorTypes = UIDataDetectorTypeNone;//去掉数字下划线

NSString *resourcePath = [ [NSBundle mainBundle]resourcePath];

NSURL *baseURL = [NSURL fileURLWithPath:resourcePath];

NSString *HeadPath = [resourcePathstringByAppendingPathComponent:@"Head.html"];

NSString *startString=[[[NSString alloc]initWithContentsOfFile:HeadPath encoding:NSUTF8StringEncodingerror:nil] autorelease];

//html head

[self.finalStr appendString:startString];

//加载动态html数据

[self.finalStr appendString:@"<body>\n"];

[self.finalStr appendString:@"<div id=\"caption\">\n"];

//加载标题

[self.finalStr appendString:@"<div id=\"title\">\n"];

[self.finalStr appendString:@"<h1>"];

[self.finalStr appendFormat:@"标题"]; //标题

[self.finalStr appendString:@"</h1>\n"];

[self.finalStr appendString:@"</div>\n"];

//加载日期

[self.finalStr appendString:@"<div id=\"date\">\n"];

[self.finalStr appendString:@"<h2>"];

[self.finalStr appendFormat:@"2012-10-09"]; //日期

[self.finalStr appendString:@"</h2>\n"];

[self.finalStr appendString:@" </div>\n"];

[self.finalStr appendString:@"<div id=\"text\">\n"];

//显示的图片

[self.finalStr appendString:@"<a href = \"javascript:void(0)\" onclick = \"document.getElementById('light').style.display='block';document.getElementById('fade').style.display='block'\"><div id=\"pic\"><img class=\"img-wrapper\" src=\"http://www.acwind.net/images/icdb_pics_collect/856_3723.jpg\"></div>\n"];

//显示的图片上的加号

[self.finalStr appendFormat:@"<div id=\"pic\"><img class=\"plus\" src=\"NewsPicPlus@2x.png\" style=\"position:absolute; \"/></div></a> "];

//点击放大后图片上的叉号

[self.finalStr appendString:@"<div id=\"light\" class=\"white_content\">"];

[self.finalStr appendString:@"<a href = \"javascript:void(0)\" onclick = \"document.getElementById('light').style.display='none';document.getElementById('fade').style.display='none'\"><img id=\"button\" class=\"funtion_button\" src=\"Shutdown@2x.png\" style=\"display:block;\"/><img id=\"EnlargePhoto\" src=\"http://www.acwind.net/images/icdb_pics_collect/856_3723.jpg\" onload=\"javascript:DrawImage(this)\"/ ></a></div>"];

[self.finalStr appendString:@"<div id=\"fade\" class=\"black_overlay\"></div>"];

//简介

[self.finalStr appendFormat:@"<p>简介简介简介</p>"];

//内容

[self.finalStr appendFormat:@"<p>这里是内容</p>"];

//时间

[self.finalStr appendFormat:@"<p>这里是时间</p>"];

//作者

[self.finalStr appendFormat:@"<p>这里是作者</p>"];

//html end

[self.finalStr appendFormat:@"</div>\n</div>\n</body>\n</html>\n"];

[self.moblieWebView loadHTMLString:self.finalStrbaseURL:nil];

self.moblieWebView.scalesPageToFit = YES;

[self.view addSubview:self.moblieWebView];

最后才发现即使你是自己拼装的字符串这个 baseURL 也需要制定一下如果不制定本地图片就不能加载～

换成

[self.moblieWebView loadHTMLString:self.finalStrbaseURL:baseURL];

完美解决！

至今没搞懂苹果底层是怎么处理的即使是自己拼装的字符串也不能让 baseUrl 这个属性为空～

也欢迎有大侠帮小菜解答一下

关于webview 加载本地图片资源 显示不出来的解决办法

关于webview 加载本地图片资源显示不出来的解决办法