The use and proxy of ios-network-uiwebview

One. Basic use

//
// ViewController.m
// 12-Master-Basic usage of UIWebView
//
// Created by xiaomage on 16/2/26.
// Copyright © 2016 小 码 哥. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()
@property (weak, nonatomic) IBOutlet UIWebView * webView;

@end

@implementation ViewController

-(void) viewDidLoad {
    [super viewDidLoad];
    [self test5];
}

-(void) test1
{
    NSURL * url = [NSURL URLWithString: @ "http://www.baidu.com"];
    // Load web page
    [self.webView loadRequest: [NSURLRequest requestWithURL: url]];
}

-(void) test2
{
    NSURL * url = [NSURL URLWithString: @ "http://www.baidu.com"];
    // Load web page
    [self.webView loadRequest: [NSURLRequest requestWithURL: url]];
    
    self.webView.scrollView.contentInset = UIEdgeInsetsMake (40, 0, 0, 0);
}

// Load the local file
-(void) test3
{
    NSURL * url = [NSURL fileURLWithPath: @ "/ Users / xiaomage / Desktop / 07-NSURLSession.pptx"];
    // Load web page
    [self.webView loadRequest: [NSURLRequest requestWithURL: url]];
}

-(void) test4
{
    NSURL * url = [NSURL URLWithString: @ "http://www.520it.com/"];
    // Load web page
    [self.webView loadRequest: [NSURLRequest requestWithURL: url]];
    
    // Adaptive when setting
    self.webView.scalesPageToFit = YES;
}

-(void) test5
{
    NSURL * url = [[NSBundle mainBundle] URLForResource: @ "text.html" withExtension: nil];
    
    // Load web page
    [self.webView loadRequest: [NSURLRequest requestWithURL: url]];
    
    // Adaptive when setting
    self.webView.dataDetectorTypes = UIDataDetectorTypeAll;
}
@end

Two. The agent

//
// ViewController.m
// 13-Master-UIWebView Application Case
//
// Created by xiaomage on 16/2/26.
// Copyright © 2016 小 码 哥. All rights reserved.
//

#import "ViewController.h"

@interface ViewController () <UIWebViewDelegate>
@property (weak, nonatomic) IBOutlet UIWebView * webView;
@property (weak, nonatomic) IBOutlet UIBarButtonItem * goBack;
@property (weak, nonatomic) IBOutlet UIBarButtonItem * goForward;

@end

@implementation ViewController

#pragma mark ----------------------
#pragma mark Life Cycle
-(void) viewDidLoad
{
    [super viewDidLoad];
    
    NSURL * url = [NSURL URLWithString: @ "http://www.baidu.com"];
    NSURLRequest * request = [NSURLRequest requestWithURL: url];
    
    // Load web page
    [self.webView loadRequest: request];
    
    // Set proxy
    self.webView.delegate = self;
}

#pragma mark ----------------------
#pragma mark Events
-(IBAction) goBackBtnClick: (id) sender
{
    
    [self.webView goBack];
}
-(IBAction) goForwardBtnClick: (id) sender
{
    [self.webView goForward];
    
}
-(IBAction) reloadBtnClick: (id) sender
{
    [self.webView reload];
}

#pragma mark ----------------------
#pragma mark UIWebViewDelegate

// Called when a request is about to be loaded
-(BOOL) webView: (UIWebView *) webView shouldStartLoadWithRequest: (NSURLRequest *) request navigationType: (UIWebViewNavigationType) navigationType
{
    NSLog (@ "% @", request.URL.absoluteString);
    // Simple request interception processing
    NSString * strM = request.URL.absoluteString;
    if ([strM containsString: @ "360"]) {
        return NO;
    }
    return YES;
}

// 1. Called when starting to load a web page
-(void) webViewDidStartLoad: (UIWebView *) webView
{
    NSLog (@ "webViewDidStartLoad");
}

// 2. Called when loading is complete
-(void) webViewDidFinishLoad: (UIWebView *) webView
{
    NSLog (@ "webViewDidFinishLoad");
    
    self.goBack.enabled = self.webView.canGoBack;
    self.goForward.enabled = self.webView.canGoForward;
}

// 3. Called when loading fails
-(void) webView: (UIWebView *) webView didFailLoadWithError: (NSError *) error
{
    NSLog (@ "didFailLoadWithError");
}

@end