webView 加载本地文件 - html/htm pdf docx tx

- (void)viewDidLoad
{
[super viewDidLoad];
[self setupUI];

NSString *path = [[NSBundle mainBundle] pathForResource:@"关于.docx" ofType:nil];
NSURL *url = [NSURL fileURLWithPath:path];
NSLog(@"%@", [self mimeType:url]);

//webview加载本地文件，可以使用加载数据的方式
//第一个诶参数是一个NSData， 本地文件对应的数据
//第二个参数是MIMEType
//第三个参数是编码格式
//相对地址，一般加载本地文件不使用，可以在指定的baseURL中查找相关文件。

//以二进制数据的形式加载沙箱中的文件，
NSData *data = [NSData dataWithContentsOfFile:path];

[self.webView loadData:data MIMEType:@"application/vnd.openxmlformats-officedocument.wordprocessingml.document" textEncodingName:@"UTF-8" baseURL:nil];
}

#pragma mark 加载docx文件
- (void)loadDOCX
{

NSString *path = [[NSBundle mainBundle] pathForResource:@"关于.docx" ofType:nil];
NSURL *url = [NSURL fileURLWithPath:path];
NSLog(@"%@", [self mimeType:url]);

NSData *data = [NSData dataWithContentsOfFile:path];

[self.webView loadData:data MIMEType:@"application/vnd.openxmlformats-officedocument.wordprocessingml.document" textEncodingName:@"UTF-8" baseURL:nil];}

#pragma mark 加载pdf文件
- (void)loadPDF
{
NSString *path = [[NSBundle mainBundle] pathForResource:@"iOS6Cookbook.pdf" ofType:nil];
NSURL *url = [NSURL fileURLWithPath:path];
NSLog(@"%@", [self mimeType:url]);

NSData *data = [NSData dataWithContentsOfFile:path];

[self.webView loadData:data MIMEType:@"application/pdf" textEncodingName:@"UTF-8" baseURL:nil];
}

#pragma mark 加载本地文本文件
- (void)loadText
{
NSString *path = [[NSBundle mainBundle] pathForResource:@"关于.txt" ofType:nil];
NSURL *url = [NSURL fileURLWithPath:path];
NSLog(@"%@", [self mimeType:url]);

NSData *data = [NSData dataWithContentsOfFile:path];

[self.webView loadData:data MIMEType:@"text/plain" textEncodingName:@"UTF-8" baseURL:nil];
}

#pragma mark 加载本地html文件
- (void)loadHTML
{
NSString *path = [[NSBundle mainBundle] pathForResource:@"demo.html" ofType:nil];
NSURL *url = [NSURL fileURLWithPath:path];
NSLog(@"%@", [self mimeType:url]);

NSData *data = [NSData dataWithContentsOfFile:path];

[self.webView loadData:data MIMEType:@"text/html" textEncodingName:@"UTF-8" baseURL:nil];
}

#pragma mark 获取指定URL的MIMEType类型
- (NSString *)mimeType:(NSURL *)url
{
//1NSURLRequest
NSURLRequest *request = [NSURLRequest requestWithURL:url];
//2NSURLConnection

//3 在NSURLResponse里，服务器告诉浏览器用什么方式打开文件。

//使用同步方法后去MIMEType
NSURLResponse *response = nil;
[NSURLConnection sendSynchronousRequest:request returningResponse:&response error:nil];
return response.MIMEType;
}