iOS自定义的PickView

由两个文件

1、XDPickView.h

2、ViewController.h

下边上代码

1.1 ////  XDPickView.h//  HEAL////  Created by 窦心东 on 2017/3/29.//  Copyright © 2017年 窦心东. All rights reserved.//#import <UIKit/UIKit.h>@protocol XDPickerDelegate <NSObject>@required/** * 选择的选项的代理方法  必须实现 */- (void)PickerSelectorIndixString:(NSString *)str;@end@interface XDPickView : UIView@property (nonatomic,assign)id<XDPickerDelegate>delegate;/** 数据源数组 */@property (nonatomic,strong) NSMutableArray *pickViewTextArray;/** pickview的背景颜色 */@property (nonatomic,strong) UIColor *backgroundColor;/** 文字的颜色 */@property (nonatomic,strong) UIColor *contentTextColor;/** 列宽 */@property (nonatomic,assign) CGFloat LieWidth;//默认选择的哪一个- (void)MoRenSelectedRowWithObject:(id)object;@end

1.2////  XDPickView.m//  HEAL////  Created by 窦心东 on 2017/3/29.//  Copyright © 2017年 窦心东. All rights reserved.//#import "XDPickView.h"@interface XDPickView ()<UIPickerViewDataSource,UIPickerViewDelegate>/** 数组 */@property (nonatomic,strong) NSMutableArray *proTitleList;/** // 选择框 UIPickerView *pickerView  */@property (nonatomic,strong) UIPickerView *pickerView ;@end@implementation XDPickView-(NSMutableArray *)proTitleList{    if (_proTitleList == nil) {        _proTitleList = [NSMutableArray array];        for (int i = 100; i<500; i++) {            [_proTitleList addObject:[NSString stringWithFormat:@"%d",i]];        }    }    return _proTitleList;}-(UIPickerView *)pickerView{    if (_pickerView == nil) {        _pickerView = [[UIPickerView alloc] initWithFrame:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];        _pickerView.showsSelectionIndicator=YES;        _pickerView.dataSource = self;        _pickerView.delegate = self;    }    return _pickerView;}- (instancetype)init{    self = [super init];    if (self) {        [self initData];    }    return self;}- (instancetype)initWithFrame:(CGRect)frame{    self = [super initWithFrame:frame];    if (self) {        [self initData];    }    return self;}- (void)initData{    //初始化    [self creatPickView];}//创建pickview- (void)creatPickView{    [self addSubview:self.pickerView];}//设置PickView的背景颜色-(void)setBackgroundColor:(UIColor *)backgroundColor{    _backgroundColor = backgroundColor;    if (_backgroundColor) {        self.pickerView.backgroundColor = _backgroundColor;    } else {        self.pickerView.backgroundColor = ColorWithHEAL;    }}#pragma mark - 设置字体颜色-(void)setContentTextColor:(UIColor *)contentTextColor{    _contentTextColor = contentTextColor;    if (_contentTextColor == nil) {        _contentTextColor = [UIColor whiteColor];    }}#pragma mark - 设置数据源数组-(void)setPickViewTextArray:(NSMutableArray *)pickViewTextArray{    _pickViewTextArray = pickViewTextArray;    if (_pickViewTextArray == nil) {        _pickViewTextArray = self.proTitleList;    }}-(void)setLieWidth:(CGFloat)LieWidth{    _LieWidth = LieWidth;    if (_LieWidth < 40) {        _LieWidth = 180;    }}#pragma mark - 默认选中的是- (void)MoRenSelectedRowWithObject:(id)object{    if (object == nil) {        return;    }    NSInteger row = [_pickViewTextArray indexOfObject:object];    [self.pickerView selectRow:row inComponent:0 animated:YES];}#pragma mark - 改变分割线的颜色- (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)row forComponent:(NSInteger)component reusingView:(UIView *)view{    //设置分割线的颜色    for(UIView *singleLine in pickerView.subviews)    {        if (singleLine.frame.size.height < 1)        {            singleLine.backgroundColor = [UIColor clearColor];//取消分割线        }    }    //设置文字的属性    UILabel *Label = [UILabel new];    Label.textAlignment = NSTextAlignmentCenter;    Label.text = _pickViewTextArray[row];    Label.textColor = _contentTextColor?_contentTextColor:[UIColor whiteColor];    return Label;}#pragma mark - UIPickerViewDataSource 相关代理#pragma Mark -- 列数- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {    return 1;}#pragma mark - pickerView 每列个数- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component {    return _pickViewTextArray.count;}#pragma mark - UIPickerViewDelegate 相关代理方法// 每列宽度- (CGFloat)pickerView:(UIPickerView *)pickerView widthForComponent:(NSInteger)component {    return _LieWidth?_LieWidth:180;}#pragma mark - 返回当前行cell的内容,此处是将数组中数值添加到滚动的那个显示栏上-(NSString*)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component{    return _pickViewTextArray[row];}#pragma mark - 返回选中的行didSelectRow- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component{    NSString  *selectRowString = _pickViewTextArray[row];    NSLog(@"选中的是====%@",selectRowString);    if ([self.delegate respondsToSelector:@selector(PickerSelectorIndixString:)]) {        //如果我的代理响应这个方法的话 就去调用这个代理方法        [self.delegate PickerSelectorIndixString:selectRowString];    }}- (void)dealloc{}/*// Only override drawRect: if you perform custom drawing.// An empty implementation adversely affects performance during animation.- (void)drawRect:(CGRect)rect {    // Drawing code}*/@end

2.1////  ViewController.h//  HEAL////  Created by 窦心东 on 2017/1/18.//  Copyright © 2017年 窦心东. All rights reserved.//#import "ViewController.h"@interface ViewController : UItViewController@end

2.2////  ViewController.m//  HEAL////  Created by 窦心东 on 2017/1/18.//  Copyright © 2017年 窦心东. All rights reserved.//#import "ViewController.h"#import "XDPickView.h"@interface ViewController ()<XDPickerDelegate>/** 数据源数组 */@property (nonatomic,strong) NSMutableArray *proTitleList;@end@implementation ViewController-(NSMutableArray *)proTitleList{    if (_proTitleList == nil) {        _proTitleList = [NSMutableArray array];        for (int i=100; i<500; i++) {            [_proTitleList addObject:[NSString stringWithFormat:@"%d",i]];        }    }    return _proTitleList;}-(void)viewWillDisappear:(BOOL)animated{    [super viewWillDisappear:animated];}-(void)viewWillAppear:(BOOL)animated{    [super viewWillAppear:animated];}- (void)viewDidLoad {    [super viewDidLoad];    self.view.backgroundColor = [UIColor greenColor];   //实例     XDPickView *pick = [[XDPickView alloc] initWithFrame:CGRectMake(20, 100, SCREEN_WIDTH-40, 200)];    pick.backgroundColor = ColorWithHEAL;    pick.contentTextColor = [UIColor yellowColor];    pick.LieWidth = 80;    pick.delegate = self;    [self.view addSubview:pick];    pick.pickViewTextArray = self.proTitleList;//设置数据    [pick MoRenSelectedRowWithObject:@"200"];//默认选中的哪一项}#pragma mark -- XDPickViewDelegate 的代理方法必须实现-(void)PickerSelectorIndixString:(NSString *)str{    NSLog(@"代理方法实现的选中的是%@",str);}