//
//  ViewController.m
//  ProgressViewDemo
//
//  Created by 思 彭 on 2017/4/20.
//  Copyright © 2017年 思 彭. All rights reserved.
//

#import "ViewController.h"
#import "ProgressTableViewCell.h"@interface ViewController ()<UITableViewDelegate, UITableViewDataSource>@property (nonatomic, strong) UITableView *tableView;
@property (nonatomic, strong) CAShapeLayer *layer;@end@implementation ViewController- (void)viewDidLoad {[super viewDidLoad];self.navigationItem.title = @"ProgressDemo";[self setUI];
}#pragma mark - 设置界面- (void)setUI {self.tableView = [[UITableView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height) style:UITableViewStyleGrouped];self.tableView.delegate = self;self.tableView.dataSource = self;self.tableView.backgroundColor = [UIColor clearColor];// 注册cell[self.tableView registerClass:[ProgressTableViewCell class] forCellReuseIdentifier:@"cell"];self.tableView.tableFooterView = [[UIView alloc]init];[self.view addSubview:self.tableView];
}#pragma mark - UITableViewDataSource- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {return 1;
}- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {return 5;
}- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {ProgressTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell" forIndexPath:indexPath];return cell;
}#pragma mark - UITableViewDelegate- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {return 0.001f;;
}- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section {return 0.0001f;
}- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {return 44;
}@end

//
//  ProgressTableViewCell.m
//  ProgressViewDemo
//
//  Created by 思 彭 on 2017/4/21.
//  Copyright © 2017年 思 彭. All rights reserved.
//

#import "ProgressTableViewCell.h"
#import "Masonry.h"
#import "ProgressView.h"@interface ProgressTableViewCell ()@property (nonatomic, strong) UILabel *titleLabel;
@property (nonatomic, strong) ProgressView *progressView;
@property (nonatomic, strong) UILabel *numberLabel;@end@implementation ProgressTableViewCell- (void)awakeFromNib {[super awakeFromNib];// Initialization code
}- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {[self createSubViews];[self layOut];}return self;
}- (void)createSubViews {self.titleLabel = [[UILabel alloc]init];self.titleLabel.font = [UIFont systemFontOfSize:16];self.titleLabel.text = @"西单大悦城";self.titleLabel.textAlignment = NSTextAlignmentLeft;[self.contentView addSubview:self.titleLabel];self.progressView = [[ProgressView alloc]init];self.progressView.backgroundColor = [UIColor whiteColor];self.progressView.progress = arc4random_uniform(100) + 40;[self.contentView addSubview:self.progressView];self.numberLabel = [[UILabel alloc]init];self.numberLabel.font = [UIFont systemFontOfSize:16];self.numberLabel.text = @"￥2000";self.numberLabel.textAlignment = NSTextAlignmentRight;[self.contentView addSubview:self.numberLabel];
}- (void)layOut {[self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {make.left.mas_equalTo(self.contentView).offset(10);make.centerY.mas_equalTo(self.contentView);
//        make.width.greaterThanOrEqualTo(@(70));make.width.mas_equalTo(self.contentView.frame.size.width * 0.3);}];[self.progressView mas_makeConstraints:^(MASConstraintMaker *make) {make.left.mas_equalTo(self.titleLabel.mas_right).offset(10);make.height.mas_equalTo(20);make.centerY.mas_equalTo(self.titleLabel.mas_centerY);make.width.mas_equalTo(self.contentView.frame.size.width * 0.4);}];[self.numberLabel mas_makeConstraints:^(MASConstraintMaker *make) {make.left.mas_equalTo(self.progressView.mas_right).offset(10);make.centerY.mas_equalTo(self.contentView);make.right.mas_equalTo(self.contentView).offset(-10);}];
}@end

//
//  ProgressView.m
//  ProgressViewDemo
//
//  Created by 思 彭 on 2017/4/20.
//  Copyright © 2017年 思 彭. All rights reserved.
//

#import "ProgressView.h"@interface ProgressView ()@end@implementation ProgressView-(void)drawRect:(CGRect)rect{// 创建贝瑟尔路径/*CGFloat width = self.progress / rect.size.width * rect.size.width;// 显示的宽度 = 服务器返回的数值 / 设置的总宽度 * 满值;显示的宽度= 满值 * 比例值比例值 = 服务器返回的宽度 / 满值*/CGFloat width = rect.size.width * self.progress / rect.size.width;// 显示的宽度 = 服务器返回的数值 * 设置的总宽度 /  满值;UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:CGRectMake(0, 0, width, rect.size.height) byRoundingCorners:UIRectCornerTopRight|UIRectCornerBottomRight cornerRadii:CGSizeMake(rect.size.height, rect.size.height)];[[UIColor redColor] setFill];[path fill];
}- (void)setProgress:(CGFloat)progress{_progress = progress;// 重绘，系统会先创建与view相关联的上下文，然后再调用drawRect
    [self setNeedsDisplay];
}@end