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88 lines
3.3 KiB
88 lines
3.3 KiB
1 year ago
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// QDetailViewController.m
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// tongxin
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//
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// Created by WeiChaoZheng on 2018/11/8.
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// Copyright © 2018年 xTT. All rights reserved.
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//
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#import "QDetailViewController.h"
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@interface QDetailViewController ()<WKNavigationDelegate,WKUIDelegate>
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@end
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@implementation QDetailViewController
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//详细的问题页面
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- (void)viewDidLoad {
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[super viewDidLoad];
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self.title = @"常见问题";
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self.titleLabel.text = self.titleStr;
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self.view.backgroundColor = tabViewBG;
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// self.contentView.layer.cornerRadius = 5;
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// self.contentView.layer.masksToBounds = YES;
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self.webView = [[WKWebView alloc] initWithFrame:CGRectZero];
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[self.contentView addSubview:self.webView];
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self.webView.UIDelegate = self;
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self.webView.navigationDelegate = self;
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self.webView.scrollView.bounces = NO;
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[self.webView mas_makeConstraints:^(MASConstraintMaker *make) {
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make.left.right.equalTo(self.view);
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make.top.equalTo(self.view).offset(iPhoneX_NavHeight);
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make.bottom.equalTo(self.view.mas_bottom);
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}];
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self.webView.hidden = YES;
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if(self.content){
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[self.webView loadHTMLString:[NSString stringWithFormat:@"%@%@",@"<meta name=\"viewport\" content=\"width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no\" />",self.content] baseURL:nil];
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}else{
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if(self.url){
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[self.webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:self.url]]];
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}
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}
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[SVProgressHUD showWithStatus:nil];
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}
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// 页面加载完成之后调用 此方法会调用多次
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- (void)webView:(WKWebView *)webView didFinishNavigation:(null_unspecified WKNavigation *)navigation {
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[SVProgressHUD dismiss];
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self.webView.hidden = NO;
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WEAKSELF
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//获取内容实际高度（像素）@"document.getElementById(\"content\").offsetHeight;"
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[_webView evaluateJavaScript:@"document.body.scrollHeight" completionHandler:^(id _Nullable result,NSError * _Nullable error) {
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// 此处js字符串采用scrollHeight而不是offsetHeight是因为后者并获取不到高度，看参考资料说是对于加载html字符串的情况下使用后者可以，但如果是和我一样直接加载原站内容使用前者更合适
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//获取页面高度，并重置webview的frame
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double contentViewHeight = [result doubleValue]+45;
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// 15 是 contentView 距离顶部的 距离 ,10 是距离底部的距离
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CGFloat maxHeight = ScreenHeight-getRectNavAndStatusHight - 15 - 10;
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if(contentViewHeight > maxHeight){
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contentViewHeight = maxHeight;
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}
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if(contentViewHeight > weakSelf.contentViewHeightNSLC.constant){
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dispatch_async(dispatch_get_main_queue(), ^{
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weakSelf.contentViewHeightNSLC.constant = contentViewHeight;
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});
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}
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}];
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NSLog(@"结束加载");
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}
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- (void)didReceiveMemoryWarning {
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[super didReceiveMemoryWarning];
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// Dispose of any resources that can be recreated.
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}
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/*
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#pragma mark - Navigation
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// In a storyboard-based application, you will often want to do a little preparation before navigation
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- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
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// Get the new view controller using [segue destinationViewController].
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// Pass the selected object to the new view controller.
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}
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*/
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@end
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