@UISearchBar search = [[UISearchBar alloc]initWithFrame:CGRectMake(0,44,320,120)];

//控件的样式 默认--0白色,1是黑色风格 /* UIBarStyleDefault          = 0, UIBarStyleBlack            = 1, search.barStyle =UIBarStyleDefault; /* UISearchBarStyleDefault, // currently UISearchBarStyleProminent UISearchBarStyleProminent, // used my Mail, Messages and Contacts(provides no default background color or image but will display one if customized as such系统提供的颜色和图片无效,自定制有效)      UISearchBarStyleMinimal    // used by Calendar, Notes and Music      */     search.searchBarStyle =UISearchBarStyleDefault;     // 控件上面的显示的文字     search.text =@"HMT";     // 显示在顶部的单行文字，通常作为一个提示行     search.prompt =@"DOTA";     // 半透明的提示文字，输入搜索内容消失     search.placeholder =@"请输入要搜索的词语";     // bar的颜色(具有渐变效果)搜索栏闪动条和选择栏边框,取消按钮和选择栏被选中时候都会变成设置的颜色     search.tintColor = [UIColor redColor];     // 除搜索栏框框,就像贴了一张镂空了搜索栏的颜色贴图,不影响其他任何设置的颜色     search.barTintColor = [UIColor whiteColor];     // 指定控件是否会有透视效果     search.translucent =YES;     // 设置在什么的情况下自动大写     /*      UITextAutocapitalizationTypeNone,             //除非自己点击大写,否则永不大写      UITextAutocapitalizationTypeWords,            //以单词来区分,每个单词首字母大写      UITextAutocapitalizationTypeSentences,        //以句子来区分      UITextAutocapitalizationTypeAllCharacters,    //所有字母全部大写      */     search.autocapitalizationType =UITextAutocapitalizationTypeNone;     // 对于文本对象自动校正风格(额,我也不知道有什么用)     /*      UITextAutocorrectionTypeDefault,      UITextAutocorrectionTypeNo,      UITextAutocorrectionTypeYes,      */     search.autocorrectionType =UITextAutocorrectionTypeNo;     // 键盘的样式(具体可参考文章UITableView详解(一))     search.keyboardType =UIKeyboardTypeNumberPad;

    // 是否在控件的右端显示一个书的按钮     search.showsBookmarkButton =YES;     // 是否显示cancel按钮(静态)     //search.showsCancelButton = YES;     // 是否显示cancel按钮(带有动画效果)     [search setShowsCancelButton:YES animated:YES];     // 是否在控件的右端显示搜索结果按钮(图形是一个圆里面放着一个向下的箭头)     search.showsSearchResultsButton =YES;     // 搜索结果按钮是否被选中     search.showsSearchResultsButton =YES;     // 设置控件的右端显示搜索结果按钮处 --- 可用图片替换掉     [search setImage:[UIImage imageNamed:@"qiyi.png"]forSearchBarIcon:UISearchBarIconResultsList state:UIControlStateNormal];

    // 搜索栏下部的选择栏，数组里面的内容是按钮的标题     search.scopeButtonTitles = [NSArray arrayWithObjects:@"iOS",@"Android",@"iPhone",nil];     // 进入界面,搜索栏下部的默认选择栏按钮的索引(也就是第一出现在哪个选择栏)     search.selectedScopeButtonIndex =2;     // 控制搜索栏下部的选择栏是否显示出来(显示的话,就要修改search的frame,不显示的话80就够了)     search.showsScopeBar =YES;

    // 设置控件背景图片     search.backgroundImage = [UIImage imageNamed:@"qiyi.png"];     // 设置搜索栏下部背景图片     search.scopeBarBackgroundImage = [UIImage imageNamed:@"qiyi.png"];

@编辑文本  // UISearchBar得到焦点并开始编辑时，执行该方法 (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar;           // return NO to not become first responder (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar{          // called when text starts editing           [searchBar setShowsCancelButton:YES animated:YES];   //  动画显示取消按钮 } (BOOL)searchBarShouldEndEditing:(UISearchBar *)searchBar;       // return NO to not resign first responder (void)searchBarTextDidEndEditing:(UISearchBar *)searchBar;            // called when text ends editing (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText{   // called when text changes (including clear)    @ 当搜索内容变化时，执行该方法。很有用，可以实现时实搜索 }

(BOOL)searchBar:(UISearchBar *)searchBar shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)textNS_AVAILABLE_IOS(3_0);                 // called before text changes @按钮点击 (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar;     // called when keyboard search button pressed (void)searchBarBookmarkButtonClicked:(UISearchBar *)searchBar;        // called when bookmark button pressed (void)searchBarCancelButtonClicked:(UISearchBar *) searchBar{           // called when cancel button pressed     [searchBar setShowsCancelButton:NO animated:NO];    // 取消按钮回收     [searchBar resignFirstResponder];                                // 取消第一响应值,键盘回收,搜索结束 } (void)searchBarResultsListButtonClicked:(UISearchBar *)searchBarNS_AVAILABLE_IOS(3_2);// called when search results button pressed (void)searchBar:(UISearchBar *)searchBar selectedScopeButtonIndexDidChange:(NSInteger)selectedScopeNS_AVAILABLE_IOS(3_0);

@假设: NSArray array = [[NSArray alloc]initWithObjects:@"luna",@"moon",@"",@"lion",@"coco", nil]; // 数据的处理主要发生在这个方法中 (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText{     // 方法一:([c]不区分大小写[d]不区分发音符号即没有重音符号[cd]既不区分大小写，也不区分发音符号。)     NSPredicate * predicate = [NSPredicate predicateWithFormat:@"SELF CONTAINS [cd] %@",searchText];    //  数组提供的快速遍历,返回的类型是NSArray    NSLog(@"%@",[ _array filteredArrayUsingPredicate:predicate]);     // 方法二:     for (int i = 0; i count]; i++) {         if ([predicate evaluateWithObject:[ _array objectAtIndex:i]]) {             NSLog(@"%@",[arrayobjectAtIndex:i]);         }     } }