69 lines
2.4 KiB
Objective-C
69 lines
2.4 KiB
Objective-C
//
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// DemoLogViewController.m
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// TrustHttpDNSTestDemo
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//
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// @author Created by Claude Code on 2025-10-05
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//
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#import "DemoLogViewController.h"
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@interface DemoLogViewController ()
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@property (nonatomic, strong) UITextView *textView;
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@property (nonatomic, copy) NSString *pendingInitialText;
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@end
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@implementation DemoLogViewController
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- (void)viewDidLoad {
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[super viewDidLoad];
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self.title = @"日志";
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self.view.backgroundColor = [UIColor systemBackgroundColor];
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self.textView = [[UITextView alloc] initWithFrame:CGRectZero];
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self.textView.translatesAutoresizingMaskIntoConstraints = NO;
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self.textView.editable = NO;
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if (@available(iOS 13.0, *)) {
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self.textView.font = [UIFont monospacedSystemFontOfSize:12 weight:UIFontWeightRegular];
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} else {
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self.textView.font = [UIFont systemFontOfSize:12];
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}
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[self.view addSubview:self.textView];
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[NSLayoutConstraint activateConstraints:@[[self.textView.topAnchor constraintEqualToAnchor:self.view.safeAreaLayoutGuide.topAnchor constant:8], [self.textView.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor constant:12], [self.textView.trailingAnchor constraintEqualToAnchor:self.view.trailingAnchor constant:-12], [self.textView.bottomAnchor constraintEqualToAnchor:self.view.bottomAnchor constant:-8]]];
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if (self.pendingInitialText.length > 0) {
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self.textView.text = self.pendingInitialText;
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self.pendingInitialText = nil;
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}
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UIBarButtonItem *close = [[UIBarButtonItem alloc] initWithTitle:@"关闭" style:UIBarButtonItemStylePlain target:self action:@selector(onClose)];
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self.navigationItem.leftBarButtonItem = close;
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}
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- (void)onClose {
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[self dismissViewControllerAnimated:YES completion:nil];
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}
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- (void)setInitialText:(NSString *)text {
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if (self.isViewLoaded) {
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self.textView.text = text ?: @"";
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[self.textView scrollRangeToVisible:NSMakeRange(self.textView.text.length, 0)];
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} else {
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self.pendingInitialText = [text copy];
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}
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}
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- (void)appendLine:(NSString *)line {
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// 当日志较多时，直接追加可避免重排整块文本
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if (self.isViewLoaded) {
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NSString *append = line ?: @"";
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if (append.length > 0) {
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self.textView.text = [self.textView.text stringByAppendingString:append];
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[self.textView scrollRangeToVisible:NSMakeRange(self.textView.text.length, 0)];
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}
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}
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}
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@end
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