iOS第三方之搜索页、统计图

目录
    1.PYSearchViewController(一个封装好的搜索页面)

1.PYSearchViewController(一个封装好的搜索页面)

集成

    pod   'PYSearch'
    #import <PYSerach/PYSearch.h>

创建

创建方式1
    PYSearchViewController *searchC=[PYSearchViewController searchViewControllerWithHotSearches:@[@"hot1",@"hot2"] searchBarPlaceholder:@"请输入商品名" didSearchBlock:^(PYSearchViewController *searchViewController, UISearchBar *searchBar, NSString *searchText) {
        // 点击商品后 调用
        // 
        VC
        searchViewController.searchResultController= VC;
        searchViewController.searchResultShowMode = PYSearchResultShowModePush;
    }];
创建方式2
    [PYSearchViewController searchViewControllerWithHotSearches:nil searchBarPlaceholder:nil];

    // 默认（false）：先 热门搜索 后 历史搜索
    [searchC setSwapHotSeachWithSearchHistory:true];
    
    // 历史搜索
    // 不显示（默认:true，显示）
    [searchC setShowSearchHistory:false];
    // 标题
    [searchC setSearchHistoryTitle:@"搜索历史 标题"];
    // 缓存路径(有默认路径)
    [searchC setSearchHistoriesCachePath:@"缓存路径"];
    // 最大个数（默认：20）
    [searchC setSearchHistoriesCount:15];
    // style(默认：占据1行)
    [searchC setSearchHistoryStyle:PYSearchHistoryStyleDefault];
    /*
     PYSearchHistoryStyleDefault = PYSearchHistoryStyleCell 默认
     PYSearchHistoryStyleCell,          默认
     PYSearchHistoryStyleNormalTag      自适应+灰色
     PYSearchHistoryStyleColorfulTag    自适应+颜色
     PYSearchHistoryStyleBorderTag      自适应+边框
     PYSearchHistoryStyleARCBorderTag   自适应+圆边框
     */
    // 当style为默认时,且没数据时
    UIButton *emptyButton=searchC.emptyButton;
    UILabel *emptyL=searchC.emptySearchHistoryLabel;
    

    //
    // 热门搜索
    // 不显示（默认：true，显示）
    [searchC setShowHotSearch:false];
    // 标题
    [searchC setHotSearchTitle:@"热门搜索 标题"];
    // 内容
    [searchC setHotSearches:@[@"222",@"111"]];
    // style
    [searchC setHotSearchStyle:PYHotSearchStyleDefault];
    /*
    
     PYHotSearchStyleColorfulTag,    // colorful tag without border, color of background is randrom and can be custom by `colorPol`
     PYHotSearchStyleBorderTag,      // border tag, color of background is `clearColor`
     PYHotSearchStyleARCBorderTag,   // broder tag with ARC, color of background is `clearColor`
     PYHotSearchStyleRankTag,        // rank tag, color of background can be custom by `rankTagBackgroundColorHexStrings`
     PYHotSearchStyleRectangleTag,   // rectangle tag, color of background is `clearColor`
     PYHotSearchStyleDefault = PYHotSearchStyleNormalTag // 默认
     PYHotSearchStyleNormalTag,      // 默认：自适应+灰
     */
    
    
    // 搜索
    // 删除搜素关键字中的空格（默认：true）
    [searchC setRemoveSpaceOnSearchString:true];
    
    
    // searchBar
    UISearchBar *searchBar=[searchC searchBar];
    // searchBar backgroundColor
    [searchC setSearchBarBackgroundColor:[UIColor blueColor]];
    // 设置placeholder颜色
    [searchVC.searchBar setValue:[UIColor whiteColor] forKeyPath:@"_searchField.placeholderLabel.textColor"];
    // 设置输入框字体颜色
    [searchVC.searchBar setValue:[UIColor whiteColor] forKeyPath:@"_searchField.textColor"];
    // 设置光标颜色
    searchVC.searchBar.tintColor = [UIColor whiteColor];
    // tf
    UITextField *textField = [searchVC.searchBar valueForKey:@"_searchField"];
    textField.textAlignment = 0; 
    // 修改放大镜颜色
    UIImageView *leftView = (UIImageView *)textField.leftView;
    leftView.image = [leftView.image imageWithGradientTintColor:[UIColor whiteColor]];
    // 修改删除按钮颜色
    UIButton *rightBtn = [textField valueForKey:@"_clearButton"];
    UIImage *image = rightBtn.imageView.image;
    [rightBtn setImage:[image imageWithGradientTintColor:[UIColor whiteColor]] forState:UIControlStateNormal];



    // cancelButton
    UIBarButtonItem *cancelButtonItem=[searchC cancelButton];

   

    // 建议TableView
    UITableView *tableView=[searchC searchSuggestionView];
    // 建议数组
    [searchC setSearchSuggestions:@[]];
    // 隐藏
    [searchC setSearchSuggestionHidden:false];
    // 搜索内容改变后是否显示（默认：false）
    [searchC setShowSearchResultWhenSearchTextChanged:true];
    // 当搜索框再次成为第一响应者时是否显示（默认）
    [searchC setShowSearchResultWhenSearchBarRefocused:false];
    
    // 搜索后调用
    [searchC setDidSearchBlock:^(PYSearchViewController *searchViewController, UISearchBar *searchBar, NSString *searchText){
        //
    }];

dele

    [searchC setDelegate:self];
    [searchC setDataSource:self];

#pragma mark dele PYSearchViewControllerDelegate
// 输入框文本发生变化 时调用
-(void)searchViewController:(PYSearchViewController *)searchViewController searchTextDidChange:(UISearchBar *)searchBar searchText:(NSString *)searchText{
    //
}
// 点击搜索按钮时调用
-(void)searchViewController:(PYSearchViewController *)searchViewController didSearchWithSearchBar:(UISearchBar *)searchBar searchText:(NSString *)searchText{
}
// 点击热门搜索的某项时调用
-(void)searchViewController:(PYSearchViewController *)searchViewController didSelectHotSearchAtIndex:(NSInteger)index searchText:(NSString *)searchText{
}
// 点击历史搜索的某项时调用
-(void)searchViewController:(PYSearchViewController *)searchViewController didSelectSearchHistoryAtIndex:(NSInteger)index searchText:(NSString *)searchText{
}
// 点击搜索建议某项时调用
-(void)searchViewController:(PYSearchViewController *)searchViewController didSelectSearchSuggestionAtIndexPath:(NSIndexPath *)indexPath searchBar:(UISearchBar *)searchBar{
}
// 点击取消按钮
- (void)didClickCancel:(PYSearchViewController *)searchViewController{
    //
    [[searchViewController navigationController] popViewControllerAnimated:YES];
}

#pragma mark dataSource PYSearchViewControllerDataSource
// 建议 CELL
-(UITableViewCell *)searchSuggestionView:(UITableView *)searchSuggestionView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
}
// 建议 组数
-(NSInteger)numberOfSectionsInSearchSuggestionView:(UITableView *)searchSuggestionView{
}
// 建议 每组行数
-(NSInteger)searchSuggestionView:(UITableView *)searchSuggestionView numberOfRowsInSection:(NSInteger)section{
}
// 建议 行高
-(CGFloat)searchSuggestionView:(UITableView *)searchSuggestionView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
}

2.PNChart(第三方统计图)

集成

    pod 'PNChart'
    #import <PNChart/PNChart.h>

PNGenericChart 基类

     // 是否动画
     [pieChart setDisplayAnimated:false];

     // 下方itemView（用来标示各个）
     UIView *legend = [pieChart getLegendWithMaxWidth:200];
     [legend setFrame:CGRectMake(130, 350, legend.frame.size.width, legend.frame.size.height)];
     [self.view addSubview:legend];
     [pieChart setHasLegend:false];
     [pieChart setLegendFont:[UIFont systemFontOfSize:12]];
     [pieChart setLegendStyle:PNLegendItemStyleStacked];
     [pieChart setLegendPosition:PNLegendPositionTop];
     [pieChart setLegendFontColor:[UIColor blueColor]];

饼状图 PNPieChart :PNGenericChart

    // 创建饼状图(frame,itemArr),每一项上标有 10% 文本详情
    PNPieChart *pieChart=[[PNPieChart alloc]initWithFrame:CGRectMake((CGFloat) (SCREEN_WIDTH / 2.0 - 100), 135, 200.0, 200.0) items:items];
    // 填充颜色
    [pieChart strokeChart];
    [pieChart setDelegate:self];                // <PNChartDelegate>
    [self.view addSubview:pieChart];

    // 项数组（%值,颜色,文本详情）
    NSArray *items = @[[PNPieChartDataItem dataItemWithValue:10 color:PNLightGreen],
                       [PNPieChartDataItem dataItemWithValue:20 color:PNFreshGreen description:@"WWDC"],
                       [PNPieChartDataItem dataItemWithValue:40 color:PNDeepGreen description:@"GOOG I/O"],
                       ];
    
    // 设置饼状图上文字详情的font／textColor／shadowColor／shadowOffset
    [pieChart setDescriptionTextFont:[UIFont systemFontOfSize:12]];
    [pieChart setDescriptionTextColor:[UIColor whiteColor]];
    [pieChart setDescriptionTextShadowColor:[UIColor blackColor]];
    [pieChart setDescriptionTextShadowOffset:CGSizeMake(10, 10)];

    // 动画时间
    [pieChart setDuration:2.0];
    // 是否只显示10%，不显示文本
    [pieChart setShowOnlyValues:true];
    // 是否只显示10不显示%
    [pieChart setShowAbsoluteValues:true];
    // 小于某值时不显示值
    [pieChart setLabelPercentageCutoff:0.2];
    // 是否隐藏值
    [pieChart setHideValues:true];
    // 点击某项时是否高亮（默认：true）
    [pieChart setShouldHighlightSectorOnTouch:false];
    // 是否允许多选
    [pieChart setEnableMultipleSelection:true];
    

    // 子类覆写recompute方法自定义内圆／外圆 corner
    [pieChart setOuterCircleRadius:0.0];
    [pieChart setInnerCircleRadius:0.0];

进度图 PNCircleChart : UIView

创建方式
        PNCircleChart *circleChart=[[PNCircleChart alloc]initWithFrame:CGRectZero];
        // frame，总数，当前数，？
        PNCircleChart *circleChart=[[PNCircleChart alloc]initWithFrame:CGRectZero total:@100 current:@60 clockwise:true];
        // frame，总数，当前数，？，是否阴影，阴影颜色
        PNCircleChart *circleChart=[[PNCircleChart alloc]initWithFrame:CGRectZero total:@100 current:@60 clockwise:true shadow:true shadowColor:[UIColor blueColor]];
        // frame，总数，当前数，？，是否阴影，阴影颜色，是否展示数字%
        PNCircleChart *circleChart=[[PNCircleChart alloc]initWithFrame:CGRectZero total:@100 current:@60 clockwise:true shadow:true shadowColor:[UIColor blueColor] displayCountingLabel:true];
        // frame，总数，当前数，？，是否阴影，阴影颜色，是否展示数字%，?
        PNCircleChart *circleChart=[[PNCircleChart alloc]initWithFrame:CGRectZero total:@100 current:@60 clockwise:true shadow:true shadowColor:[UIColor blueColor] displayCountingLabel:true overrideLineWidth:@5];

        [self.circleChart strokeChart];
        [self.view addSubview:self.circleChart];

        // type
        [circleChart setChartType:PNChartFormatTypeDollar];
        // totle
        [circleChart setTotal:@100];
        // current
        [circleChart setCurrent:@50];
        // 动画时间
        [circleChart setDuration:0.35];
        // 是否显示动画
        [circleChart setDisplayAnimated:true];
        // 是否显示数字%
        [circleChart setDisplayCountingLabel:true];
        
        // lineWidth
        [circleChart setLineWidth:@2];
        // bgColor
        [circleChart setBackgroundColor:[UIColor whiteColor]];
        // strokeColor
        [circleChart setStrokeColor:[UIColor clearColor]];
        [circleChart setStrokeColorGradientStart:[UIColor blueColor]];


显示数字%的label
        UICountingLabel *countL=circleChart.countingLabel;
        [countL setCurrentValue:50];
        count.currentValue
        // format
        [countL setFormat:@"%d%%"];
        [countL setFormatBlock:^(CGFloat value){
            return [NSString stringWithFormat:@"%d%%",(int)value];
        }];
        [countL setAttributedFormatBlock:^(CGFloat value){
            return [[NSAttributedString alloc]initWithString:[NSString stringWithFormat:@"%d%%",(int)value]];
        }];
        // 动画的速度
        [countL setMethod:UILabelCountingMethodEaseInOut];
        // 动画的时间
        [countL setAnimationDuration:0.35];
        // 动画完后调用
        [countL setCompletionBlock:^{
        }];
        // 更新值
        [countL countFrom:0 to:50];
        [countL countFromZeroTo:50];
        [countL countFromCurrentValueTo:50];
        [countL countFrom:0 to:50 withDuration:0.35];
        [countL countFromZeroTo:50 withDuration:0.35];
        [countL countFromCurrentValueTo:50 withDuration:0.35];
        

更新值
        [circleChart updateChartByCurrent:@50];
        [circleChart updateChartByCurrent:@50 byTotal:@100];
        // ?
        [circleChart growChartByAmount:@1];

// ?
        [circleChart setCircle:[CAShapeLayer new]];
        [circleChart setCircleBackground:[CAShapeLayer new]];
        [circleChart setGradientMask:[CAShapeLayer new]];

点点点图PNScatterChart: PNGenericChart

        // 创建
        PNScatterChart *scatChart=[[PNScatterChart alloc]initWithFrame:CGRectZero];
        [scatChart setDelegate:self];   // <PNChartDelegate>
        [scatChart setup];
        [self.view addSubview:scatterChart];


        // 动画时间
        [scatChart setDuration:0.25];
        
        // 是否显示label（默认：true）
        [scatChart setShowLabel:true];
        [scatChart setShowCoordinateAxis:true];
        [scatChart setAxisColor:[UIColor whiteColor]];
        [scatChart setAxisWidth:2];
        //
        [scatChart setAxisX_maxValue:10];
        [scatChart setAxisX_minValue:1];
        [scatChart setAxisY_maxValue:10];
        [scatChart setAxisY_minValue:1];
        [scatChart setAxisXWithMinimumValue:0 andMaxValue:100 toTicks:6];
        [scatChart setAxisYWithMinimumValue:0 andMaxValue:100 toTicks:6];
        [scatChart setAxisXLabel:@[@"x1",@"x2",@"x3",@"x4"]];
        [scatChart setAxisYLabel:@[@"y1",@"y2",@"y3",@"y4"]];
        // xy label格式
        [scatChart setXLabelFormat:@"xxx %d"];
        [scatChart setYLabelFormat:@"yyy %d"];
        // 描述文本Font(默认：18)
        [scatChart setDescriptionTextFont:[UIFont systemFontOfSize:18]];
        // 描述文本Color（默认：white）
        [scatChart setDescriptionTextColor:[UIColor whiteColor]];
        // 描述文本shadowColor（默认：0.4）
        [scatChart setDescriptionTextShadowColor:[UIColor colorWithWhite:0.4 alpha:1]];
        // 描述文本shdowOffset（默认：0，1）
        [scatChart setDescriptionTextShadowOffset:CGSizeMake(0, 1)];



        
        [scatChart drawLineFromPoint:CGPointZero ToPoint:CGPointZero WithLineWith:2.0 AndWithColor:[UIColor blueColor]];

data

        NSArray *data01Array = [self randomSetOfObjects];
        PNScatterChartData *data01 = [PNScatterChartData new];
        data01.strokeColor = PNGreen;      // 点边框色
        data01.fillColor = PNFreshGreen;   // 点填充色
        data01.size = 2;                                // 点大小
        data01.itemCount = [data01Array[0] count];    // 点count
        data01.inflexionPointStyle = PNScatterChartPointStyleCircle;  // 点style（圆形／方形）
        __block NSMutableArray *XAr1 = [NSMutableArray arrayWithArray:data01Array[0]];
        __block NSMutableArray *YAr1 = [NSMutableArray arrayWithArray:data01Array[1]];
        data01.getData = ^(NSUInteger index) {
            CGFloat xValue;
            xValue = [XAr1[index] floatValue];
            CGFloat yValue = [YAr1[index] floatValue];
            return [PNScatterChartDataItem dataItemWithX:xValue AndWithY:yValue];
        };

- (NSArray *)randomSetOfObjects {
    NSMutableArray *array = [NSMutableArray array];
    NSString *LabelFormat = @"%1.f";
    NSMutableArray *XAr = [NSMutableArray array];
    NSMutableArray *YAr = [NSMutableArray array];
    for (int i = 0; i < 25; i++) {
        [XAr addObject:[NSString stringWithFormat:LabelFormat, (((double) arc4random() / ARC4RANDOM_MAX) * (self.scatterChart.AxisX_maxValue - self.scatterChart.AxisX_minValue) + self.scatterChart.AxisX_minValue)]];
        [YAr addObject:[NSString stringWithFormat:LabelFormat, (((double) arc4random() / ARC4RANDOM_MAX) * (self.scatterChart.AxisY_maxValue - self.scatterChart.AxisY_minValue) + self.scatterChart.AxisY_minValue)]];
    }
    [array addObject:XAr];
    [array addObject:YAr];
    return array;
}


        // data
        [scatChart setChartData:@[data01]];
        [scatChart updateChartData:@[data01]];

雷达图 PNRadarChart：PNGenericChart

创建
        PNRadarChart *radarChart=[[PNRadarChart alloc]initWithFrame:CGRectZero];
        PNRadarChart *radarChart=[[PNRadarChart alloc]initWithFrame:CGRectZero items:items valueDivider:1];
        //
        [radarChart strokeChart];
        [self.view addSubview:radarChart];

        // 数据
        NSArray *items = @[[PNRadarChartDataItem dataItemWithValue:3 description:@"Art"],
                           [PNRadarChartDataItem dataItemWithValue:2 description:@"Math"],
                           [PNRadarChartDataItem dataItemWithValue:8 description:@"Sports"],
                           [PNRadarChartDataItem dataItemWithValue:5 description:@"Literature"],
                           [PNRadarChartDataItem dataItemWithValue:4 description:@"Other"],
                           ];
        [radarChart setChartData:items];
        // ? 默认：1
        [radarChart setValueDivider:1.0];
        // maxValue
        [radarChart setMaxValue:5];
        // 网Color   (默认：灰色)
        [radarChart setWebColor:[UIColor grayColor]];
        // 字体Color（默认：黑色）
        [radarChart setFontColor:[UIColor blueColor]];
        // 字体 style
        [radarChart setLabelStyle:PNRadarChartLabelStyleCircle];
        // 字体Size
        [radarChart setFontSize:18];
        // 实体Color（默认：绿色）
        [radarChart setPlotColor:[UIColor redColor]];
        // graduationColor(默认：橘黄色) ?
        [radarChart setGraduationColor:[UIColor orangeColor]];

        // ？
        [radarChart setIsLabelTouchable:true];
        [radarChart setIsShowGraduation:true];

柱状图 PNBarChart :PNGenericChart

    // 创建柱状图
    PNBarChart *barChart = [[PNBarChart alloc] initWithFrame:CGRectMake(0, 135.0, SCREEN_WIDTH, 200.0)];

    // 统计图内边距
    [barChart setChartMarginTop:10];
    [barChart setChartMarginBottom:10];
    [barChart setChartMarginLeft:10];
    [barChart setChartMarginRight:10];
 

    [barChart updateChartData:@[]];

    [barChart setDelegate:self];    // <PNChartDelegate>
    [barChart strokeChart];
    [self.view addSubview:barChart];

柱子

    // 设置柱子颜色
    [barChart setStrokeColor:[UIColor blueColor]];
    [barChart setStrokeColors:@[[UIColor redColor],[UIColor blueColor]]];
    // 柱宽
    [barChart setBarWidth:30];
    // 柱子圆角
    [barChart setBarRadius:10.0];
    // 柱子底部颜色（默认：灰）
    [barChart setBarBackgroundColor:[UIColor blueColor]];
    // 是否显示柱子上的数字（默认：true）
    [barChart setIsShowNumbers:true];
    // 柱子是否炫光显示
    [barChart setIsGradientShow:true];

坐标轴

    // 是否显示坐标轴
    [barChart setShowChartBorder:false];
    // 坐标轴Color
    [barChart setChartBorderColor:[UIColor blueColor]];

坐标轴文本

    // y坐标轴文本距上
    [barChart setLabelMarginTop:100];
    // 是否显示xy坐标轴文本(默认：true)
    [barChart setShowLabel:false];
    // x坐标轴文本宽,y坐标轴文本宽
    [barChart setXLabelWidth:50];
    [barChart setYChartLabelWidth:50];
    // xy坐标轴文本Color
    [barChart setLabelTextColor:[UIColor blueColor]];
    // xy坐标轴文本Font
    [barChart setLabelFont:[UIFont systemFontOfSize:12]];
    // y坐标轴文本Format
    [barChart setYLabelFormatter:^(CGFloat value){
        return [NSString stringWithFormat:@"$%d",(int)value];
    }];
    // y坐标轴文本 前缀/后缀
    [barChart setYLabelPrefix:@"前缀"];
    [barChart setYLabelSuffix:@"后缀"];

    // xy坐标轴文本
    [barChart setXLabels:@[@"2", @"3", @"4", @"5", @"2", @"3", @"4", @"5"]];
    [barChart setYLabels:@[@"22",@"33",@"44"]];
    // y值
    [barChart setYValues:@[@10.82, @1.88, @6.96, @33.93, @10.82, @1.88, @6.96, @33.93]];

    // 
    [barChart setBars:[NSMutableArray new]];
    
    // ?
    [barChart setShowLevelLine:false];
    [barChart setChartBottomLine:[CAShapeLayer new]];
    [barChart setChartLevelLine:[CAShapeLayer new]];
    [barChart setChartLeftLine:[CAShapeLayer new]];

    [barChart setXLabelSkip:2];
    [barChart setYMaxValue:100];
    [barChart setYMinValue:50];
    [barChart setYLabelSum:10];
    [barChart setBarColorGradientStart:[UIColor blueColor]];
    [barChart setRotateForXAxisText:true];

折线图 PNLineChart: PNGenericChart

        // 创建
        PNLineChart *lineChart=[[PNLineChart alloc]initWithFrame:CGRectZero];
        [lineChart strokeChart];
        [self.view addSubview:lineChart];

        // 是否显示坐标轴
        [lineChart setShowCoordinateAxis:true];
        // 坐标轴宽
        [lineChart setAxisWidth:35];
        // 坐标轴颜色
        [lineChart setAxisColor:[UIColor blueColor]];

        // 距离文本margin
        [lineChart setChartMarginTop:10];
        [lineChart setChartMarginLeft:10];
        [lineChart setChartMarginRight:10];
        [lineChart setChartMarginBottom:10];

        // dele
        [lineChart setDelegate:self];   // <PNChartDelegate>

        // x坐标轴 text/width/font/color
        [lineChart setXLabels:@[@"x1",@"x2"]];
        [lineChart setXLabels:@[@"",@"",@""] withWidth:35];
        [lineChart setXLabelWidth:35];
        [lineChart setXLabelFont:[UIFont systemFontOfSize:18]];
        [lineChart setXLabelColor:[UIColor blueColor]];
        [lineChart setXUnit:@""];
        [lineChart setXChartLabels:[NSMutableArray new]];
        // y坐标轴 num/?/text/font/color/max/min
        [lineChart setYLabelNum:10];
        [lineChart setYChartLabels:[NSMutableArray new]];
        [lineChart setYLabels:@[@"y1",@"y2"]];
        [lineChart setYLabelFont:[UIFont systemFontOfSize:18]];
        [lineChart setYLabelColor:[UIColor blueColor]];
        [lineChart setYValueMax:10];
        [lineChart setYValueMin:0];
        // y文本格式
        [lineChart setYLabelFormat:@"%1.1f"];
        [lineChart setYLabelBlockFormatter:^(CGFloat x){
            return [NSString stringWithFormat:@"xxx %d",(int)x];
        }];
        //
        [lineChart setYUnit:@""];
        [lineChart setYGridLinesColor:[UIColor grayColor]];
        
        


        // ?
        [lineChart setShowSmoothLines:true];
        // ?
        [lineChart setThousandsSeparator:true];
        // pathArr
        [lineChart setPathPoints:[NSMutableArray new]];

        //
        [lineChart setChartCavanWidth:35];
        [lineChart setChartCavanHeight:35];
        //
        [lineChart setShowLabel:true];
        [lineChart setShowGenYLabels:true];
        [lineChart setShowYGridLines:true];
        [lineChart setYGridLinesColor:[UIColor blueColor]];
        //
        CGSize size=[PNLineChart sizeOfString:@"" withWidth:50 font:[UIFont systemFontOfSize:10]];
        CGPoint point=[PNLineChart midPointBetweenPoint1:CGPointZero andPoint2:CGPointZero];
        CGPoint point2=[PNLineChart controlPointBetweenPoint1:CGPointZero andPoint2:CGPointZero];

下方itemView（标示每条线的view）

        // 下方itemView
        UIView *legend = [self.lineChart getLegendWithMaxWidth:320];
        [legend setFrame:CGRectMake(30, 340, legend.frame.size.width, legend.frame.size.width)];
        [self.view addSubview:legend];

        // style
        [lineChart setLegendStyle:PNLegendItemStyleStacked];
        // font
        [lineChart setLegendFont:[UIFont systemFontOfSize:10]];
        // color
        [lineChart setLegendFontColor:[UIColor redColor]];

data

        // Line Chart #1
        // data
        NSArray *data01Array = @[@15.1, @60.1, @110.4, @10.0, @186.2, @197.2, @276.2];
        // 反转
        data01Array = [[data01Array reverseObjectEnumerator] allObjects];
        PNLineChartData *data01 = [PNLineChartData new];
        data01.rangeColors = @[
                [[PNLineChartColorRange alloc] initWithRange:NSMakeRange(10, 30) color:[UIColor redColor]],
                [[PNLineChartColorRange alloc] initWithRange:NSMakeRange(100, 200) color:[UIColor purpleColor]]
        ];
        data01.dataTitle = @"Alpha";    // 下方显示文本
        data01.color = PNFreshGreen;    // 下方显示线颜色
        data01.pointLabelColor = [UIColor blackColor];  //
        data01.alpha = 0.3f;            //
        data01.showPointLabel = YES;    //
        data01.pointLabelFont = [UIFont fontWithName:@"Helvetica-Light" size:9.0];  //
        data01.itemCount = data01Array.count;   // count
        data01.inflexionPointColor = PNRed;     // 连接点颜色
        data01.inflexionPointStyle = PNLineChartPointStyleTriangle; // 连接点style
        // 数->PNLineChartDataItem
        data01.getData = ^(NSUInteger index) {
            CGFloat yValue = [data01Array[index] floatValue];
            return [PNLineChartDataItem dataItemWithY:yValue];
        };

        // data
        [lineChart setChartData:@[data01]];
        // 更新data
        [lineChart updateChartData:@[data0]];
        [lineChart.chartData enumerateObjectsUsingBlock:^(PNLineChartData *obj, NSUInteger idx, BOOL *stop) {
            obj.pointLabelColor = [UIColor blackColor];
        }];

iOS第三方之 搜索页、统计图

1.PYSearchViewController(一个封装好的搜索页面)

2.PNChart(第三方统计图)

iOS第三方之搜索页、统计图