// // ZJUIUtil.m // ZJW_Course // // Created by imac on 2018/5/4. // Copyright © 2018年 wangmeng. All rights reserved. // #import "ZJUIUtil.h" @implementation ZJUIUtil //设置下拉刷新 + (void)refreshWithHeader:(UIScrollView *) tableView backgroudColor:(UIColor *)color refresh:(dispatch_block_t)refresh { MJRefreshNormalHeader *header=[MJRefreshNormalHeader headerWithRefreshingBlock:^{ refresh(); }]; // 设置文字 [header setTitle:@"下拉可以刷新" forState:MJRefreshStateIdle]; [header setTitle:@"松开后刷新" forState:MJRefreshStatePulling]; [header setTitle:@"正在加载..." forState:MJRefreshStateRefreshing]; // 设置字体 header.stateLabel.font = [UIFont systemFontOfSize:14]; header.lastUpdatedTimeLabel.font = [UIFont systemFontOfSize:12]; // 设置颜色 header.stateLabel.textColor = [UIColor grayColor]; header.lastUpdatedTimeLabel.textColor = [UIColor grayColor]; header.backgroundColor = color; header.scrollView.backgroundColor = color; // 设置箭头 [header arrowView].image=[UIImage imageNamed:@"refresh_arrow"]; tableView.mj_header=header; // 设置自动切换透明度(在导航栏下面自动隐藏) tableView.mj_header.automaticallyChangeAlpha = YES; } // 设置下拉刷新 + (void)refreshWithHeader:(UIScrollView *) tableView refresh:(dispatch_block_t) refresh { MJRefreshNormalHeader *header=[MJRefreshNormalHeader headerWithRefreshingBlock:^{ refresh(); }]; // 设置文字 [header setTitle:@"下拉可以刷新" forState:MJRefreshStateIdle]; [header setTitle:@"松开后刷新" forState:MJRefreshStatePulling]; [header setTitle:@"正在加载..." forState:MJRefreshStateRefreshing]; // 设置字体 header.stateLabel.font = [UIFont systemFontOfSize:14]; header.lastUpdatedTimeLabel.font = [UIFont systemFontOfSize:12]; // 设置颜色 header.stateLabel.textColor = [UIColor grayColor]; header.lastUpdatedTimeLabel.textColor = [UIColor grayColor]; // 设置箭头 [header arrowView].image=[UIImage imageNamed:@"refresh_arrow"]; tableView.mj_header=header; // 设置自动切换透明度(在导航栏下面自动隐藏) tableView.mj_header.automaticallyChangeAlpha = YES; } // 设置白色箭头下拉刷新 + (void)refreshWithWhiteHeader:(UIScrollView *) tableView refresh:(dispatch_block_t) refresh { MJRefreshNormalHeader *header=[MJRefreshNormalHeader headerWithRefreshingBlock:^{ refresh(); }]; // 设置文字 [header setTitle:@"下拉可以刷新" forState:MJRefreshStateIdle]; [header setTitle:@"松开后刷新" forState:MJRefreshStatePulling]; [header setTitle:@"正在加载..." forState:MJRefreshStateRefreshing]; // 设置字体 header.stateLabel.font = [UIFont systemFontOfSize:14]; header.lastUpdatedTimeLabel.font = [UIFont systemFontOfSize:12]; // 设置颜色 header.stateLabel.textColor = [UIColor whiteColor]; header.lastUpdatedTimeLabel.textColor = [UIColor whiteColor]; // 设置箭头 [header arrowView].image=[UIImage imageNamed:@"refresh_arrow_white"]; tableView.mj_header=header; // 设置加载菊花 header.activityIndicatorViewStyle = UIActivityIndicatorViewStyleWhite; // 设置自动切换透明度(在导航栏下面自动隐藏) tableView.mj_header.automaticallyChangeAlpha = YES; } // 设置下拉加载 + (void)loadWithHeader:(UITableView *) tableView refresh:(dispatch_block_t) refresh { MJRefreshNormalHeader *header=[MJRefreshNormalHeader headerWithRefreshingBlock:^{ refresh(); }]; // 设置文字 [header setTitle:@"下拉可以加载" forState:MJRefreshStateIdle]; [header setTitle:@"松开后加载" forState:MJRefreshStatePulling]; [header setTitle:@"正在加载..." forState:MJRefreshStateRefreshing]; // 设置字体 header.stateLabel.font = [UIFont systemFontOfSize:14]; header.lastUpdatedTimeLabel.font = [UIFont systemFontOfSize:12]; // 设置颜色 header.stateLabel.textColor = [UIColor grayColor]; header.lastUpdatedTimeLabel.textColor = [UIColor grayColor]; // 设置箭头 [header arrowView].image=[UIImage imageNamed:@"refresh_arrow"]; tableView.mj_header=header; // 设置自动切换透明度(在导航栏下面自动隐藏) tableView.mj_header.automaticallyChangeAlpha = YES; } // 设置上拉刷新 + (void)refreshWithFooter:(UITableView *) tableView refresh:(dispatch_block_t) refresh { MJRefreshBackNormalFooter *footer=[MJRefreshBackNormalFooter footerWithRefreshingBlock:^{ refresh(); }]; // 设置文字 [footer setTitle:@"上拉加载更多" forState:MJRefreshStateIdle]; [footer setTitle:@"正在加载..." forState:MJRefreshStateRefreshing]; [footer setTitle:@"我是有底线的" forState:MJRefreshStateNoMoreData]; // 设置字体 footer.stateLabel.font = [UIFont systemFontOfSize:14]; // 设置颜色 footer.stateLabel.textColor = [UIColor grayColor]; // 设置箭头 [footer arrowView].image=[UIImage imageNamed:@"refresh_arrow"]; tableView.mj_footer=footer; tableView.mj_footer.automaticallyChangeAlpha = YES; } // 设置上拉刷新(白色) + (void)refreshWithWhiteFooter:(UITableView *) tableView refresh:(dispatch_block_t) refresh { MJRefreshBackNormalFooter *footer=[MJRefreshBackNormalFooter footerWithRefreshingBlock:^{ refresh(); }]; // 设置文字 [footer setTitle:@"上拉加载更多" forState:MJRefreshStateIdle]; [footer setTitle:@"正在加载..." forState:MJRefreshStateRefreshing]; [footer setTitle:@"已加载完全部数据" forState:MJRefreshStateNoMoreData]; // 设置字体 footer.stateLabel.font = [UIFont systemFontOfSize:14]; // 设置颜色 footer.stateLabel.textColor = [UIColor whiteColor]; // 设置箭头 [footer arrowView].image=[UIImage imageNamed:@"refresh_arrow_white"]; tableView.mj_footer=footer; tableView.mj_footer.automaticallyChangeAlpha = YES; } + (UIColor *) colorWithHexString:(NSString *) hex { NSString *cleanString = [hex stringByReplacingOccurrencesOfString:@"#" withString:@""]; CGFloat alpha = 1.0; if ([cleanString length] == 8) { alpha = 1-[[cleanString.mutableCopy substringToIndex:2] floatValue]; cleanString = [cleanString.mutableCopy substringFromIndex:2]; } if([cleanString length] == 3) { cleanString = [NSString stringWithFormat:@"%@%@%@%@%@%@", [cleanString substringWithRange:NSMakeRange(0, 1)],[cleanString substringWithRange:NSMakeRange(0, 1)], [cleanString substringWithRange:NSMakeRange(1, 1)],[cleanString substringWithRange:NSMakeRange(1, 1)], [cleanString substringWithRange:NSMakeRange(2, 1)],[cleanString substringWithRange:NSMakeRange(2, 1)]]; } if([cleanString length] == 6) { cleanString = [cleanString stringByAppendingString:@"ff"]; } unsigned int baseValue; [[NSScanner scannerWithString:cleanString] scanHexInt:&baseValue]; float red = ((baseValue >> 24) & 0xFF)/255.0f; float green = ((baseValue >> 16) & 0xFF)/255.0f; float blue = ((baseValue >> 8) & 0xFF)/255.0f; return [UIColor colorWithRed:red green:green blue:blue alpha:alpha]; } // 16进制颜色 + (UIColor *) colorWithHex:(long) hexColor { float red = ((float)((hexColor & 0xFF0000) >> 16))/255.0; float green = ((float)((hexColor & 0xFF00) >> 8))/255.0; float blue = ((float)(hexColor & 0xFF))/255.0; return [UIColor colorWithRed:red green:green blue:blue alpha:1]; } + (UIColor *) colorWithHex:(long) hexColor alpha:(CGFloat)alpha{ float red = ((float)((hexColor & 0xFF0000) >> 16))/255.0; float green = ((float)((hexColor & 0xFF00) >> 8))/255.0; float blue = ((float)(hexColor & 0xFF))/255.0; return [UIColor colorWithRed:red green:green blue:blue alpha:alpha]; } + (UIImage *) imageWithColor:(UIColor *)color { return [self imageWithColor:color size:CGSizeMake(1,1)]; } + (UIImage *) imageWithColor:(UIColor *)color size:(CGSize)size { if(color==nil){ color=[UIColor redColor]; } if(size.width<1){ size.width=1; } if(size.height<1){ size.height=1; } @autoreleasepool { CGRect rect = CGRectMake(0, 0, size.width, size.height); UIGraphicsBeginImageContext(rect.size); CGContextRef ctx = UIGraphicsGetCurrentContext(); CGContextSetFillColorWithColor(ctx, color.CGColor); CGContextFillRect(ctx, rect); UIImage *image = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return image; } } // 设置导航栏左侧按钮偏移 + (void) leftNavItem:(UIViewController *)current button:(UIButton *)button offsetX:(CGFloat)offsetX { UIBarButtonItem *leftItem=[[UIBarButtonItem alloc] initWithCustomView:button]; UIBarButtonItem *spaceItem=[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil]; spaceItem.width = offsetX; current.navigationItem.leftBarButtonItems = @[spaceItem,leftItem]; } /** 根据字体计以及最大宽度计算控件高度*/ + (CGSize)sizeWith:(NSString *) text font:(UIFont *) fontSize width:(NSInteger) width { NSMutableParagraphStyle *paragraph = [[NSMutableParagraphStyle alloc] init]; paragraph.lineBreakMode=NSLineBreakByCharWrapping; NSDictionary *attribute = @{NSFontAttributeName: fontSize, NSParagraphStyleAttributeName:paragraph}; CGSize size = [text boundingRectWithSize:CGSizeMake(width,MAXFLOAT) options: NSStringDrawingTruncatesLastVisibleLine | NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading attributes:attribute context:nil].size; return size; } + (NSMutableAttributedString *)setHtmlStr:(NSString *)html isAnalyze:(BOOL)isAnalyze { NSAttributedString *briefAttrStr; if (isAnalyze) { briefAttrStr = [[NSAttributedString alloc] initWithData:[[NSString stringWithFormat:@"%@",html,ScreenViewWidth - 80] dataUsingEncoding:NSUnicodeStringEncoding] options:@{NSDocumentTypeDocumentAttribute:NSHTMLTextDocumentType} documentAttributes:nil error:nil]; }else{ briefAttrStr = [[NSAttributedString alloc] initWithData:[html dataUsingEncoding:NSUnicodeStringEncoding] options:@{NSDocumentTypeDocumentAttribute:NSHTMLTextDocumentType} documentAttributes:nil error:nil]; } NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init]; [paragraphStyle setLineSpacing:2]; paragraphStyle.firstLineHeadIndent = 20; NSMutableAttributedString *attr = [[NSMutableAttributedString alloc] initWithAttributedString:briefAttrStr]; [attr addAttributes:@{NSFontAttributeName: Font(15)} range:NSMakeRange(0, attr.string.length)]; if (!isAnalyze) { [attr addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, [attr length])]; } return attr; } + (NSString *)autoWebAutoImageSize:(NSString *)html{ NSString * regExpStr = @"