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IOSSWIFTUITableView实现简单微博列表

原作者: [db:作者] 来自: [db:来源] 收藏 邀请
//
//  Weibo.swift
//  UITableViewCellExample
//
//  Created by XUYAN on 15/8/15.
//  Copyright (c) 2015年 com.world. All rights reserved.
//

import Foundation

class Weibo {
    //属性
    var id : UInt32
    var img : String!
    var username : String!
    var mbtype : String!
    var createdOn : String!
    var source : String!
    var text : String!
    
    //构造函数
    init(id : UInt32,img : String,username : String,mbtype : String,createdOn : String,source : String,text : String){
        self.id = id
        self.img = img
        self.username = username
        self.mbtype = mbtype
        self.createdOn = createdOn
        self.source = source
        self.text = text
    }
}

 

//
//  CustomCell.swift 自定义单元格
//  UITableViewCellExample
//
//  Created by XUYAN on 15/8/15.
//  Copyright (c) 2015年 com.world. All rights reserved.
//

import UIKit
import Foundation

class CustomCell : UITableViewCell{
    //头像宽度,高度
    var imgView1_W : CGFloat = 50.0
    var imgView1_H : CGFloat = 50.0
    
    var imgView1 : UIImageView! //头像控件
    var imgView2 : UIImageView! //会员类型
    var labelName : UILabel! //用户名
    var labeDate : UILabel! //日期
    var labelSource : UILabel! //客户端
    var labelContent : UILabel! //内容
    
    var weibo : Weibo? //微博内容
    var height : CGFloat = 0.0 //高度
    
    override init(style: UITableViewCellStyle, reuseIdentifier: String!) {
        
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        
        initView()
    }

    func initView() -> Void {
        //头像
        imgView1 = UIImageView()
        self.addSubview(imgView1)
        
        //用户名
        labelName = UILabel()
        labelName.font = UIFont.systemFontOfSize(13)
        self.addSubview(labelName)
        
        //会员类型
        imgView2 = UIImageView()
        self.addSubview(imgView2)
        
        //日期
        labeDate = UILabel()
        labeDate.font = UIFont.systemFontOfSize(12)
        self.addSubview(labeDate)
        
        //客户端
        labelSource = UILabel()
        labelSource.font = UIFont.systemFontOfSize(12)
        self.addSubview(labelSource)
        
        //内容
        labelContent = UILabel()
        labelContent.font = UIFont.systemFontOfSize(14)
        self.addSubview(labelContent)
    }
    
    func setData(weibo : Weibo) -> Void{
        
        //设置头像大小和位置
        var imgView1_X : CGFloat = 10.0;
        var imgView1_Y : CGFloat = 10.0;
        var imgView1Rect : CGRect = CGRectMake(imgView1_X, imgView1_Y, imgView1_W, imgView1_H)
        imgView1.image = UIImage(named: weibo.img)
        imgView1.frame = imgView1Rect
        
        //设置用户名 LABEL 的大小,位置
        var labelName_X = CGRectGetMaxX(imgView1.frame) + 10.0 //控件间距 用户名X点
        var labelName_Y = imgView1_Y //用户名Y点
        labelName.numberOfLines = 0
        labelName.lineBreakMode = NSLineBreakMode.ByCharWrapping
        labelName.text = weibo.username
        var text1 : NSString = NSString(CString: labelName.text!.cStringUsingEncoding(NSUTF8StringEncoding)!, encoding: NSUTF8StringEncoding)!
        var rect1 = text1.boundingRectWithSize(CGSizeMake(self.frame.size.width, CGFloat.max), options: NSStringDrawingOptions.UsesLineFragmentOrigin | NSStringDrawingOptions.UsesFontLeading, attributes: [NSFontAttributeName : labelName.font], context: nil)
        labelName.frame = CGRectMake(labelName_X, labelName_Y , rect1.width, rect1.height)

        //会员头像图标大小和位置
        var imgView2_X = CGRectGetMaxX(labelName.frame) + 10.0
        var imgView2_Y = imgView1_Y
        var imgView2Rect = CGRectMake(imgView2_X, imgView2_Y, 13, 13)
        imgView2.image = UIImage(named: "")
        imgView2.frame = imgView2Rect
        
        //根据发布日期内容取得文本占用空间大小
        var labeDate_X = labelName_X
        labeDate.numberOfLines = 0
        labeDate.lineBreakMode = NSLineBreakMode.ByCharWrapping
        labeDate.text = weibo.createdOn
        var text2 : NSString = NSString(CString: labeDate.text!.cStringUsingEncoding(NSUTF8StringEncoding)!, encoding: NSUTF8StringEncoding)!
        var rect2 = text2.boundingRectWithSize(CGSizeMake(self.frame.size.width, CGFloat.max), options: NSStringDrawingOptions.UsesLineFragmentOrigin | NSStringDrawingOptions.UsesFontLeading, attributes: [NSFontAttributeName : labeDate.font], context: nil)
        var labeDate_Y = CGRectGetMaxY(imgView1.frame) - rect2.height
        labeDate.frame = CGRectMake(labeDate_X, labeDate_Y , rect2.width, rect2.height)
        
        //设备
        var labelSource_X = CGRectGetMaxX(labeDate.frame) + 10
        var labelSource_Y = labeDate_Y
        labelSource.numberOfLines = 0
        labelSource.lineBreakMode = NSLineBreakMode.ByCharWrapping
        labelSource.text = weibo.source
        var text3 : NSString = NSString(CString: labelSource.text!.cStringUsingEncoding(NSUTF8StringEncoding)!, encoding: NSUTF8StringEncoding)!
        var rect3 = text3.boundingRectWithSize(CGSizeMake(self.frame.size.width, CGFloat.max), options: NSStringDrawingOptions.UsesLineFragmentOrigin | NSStringDrawingOptions.UsesFontLeading, attributes: [NSFontAttributeName : labelSource.font], context: nil)
        labelSource.frame = CGRectMake(labelSource_X, labelSource_Y , rect3.width, rect3.height) 
        
        //微博主要内容
        var labelContent_X = imgView1_X
        var labelContent_Y = CGRectGetMaxY(imgView1.frame) + 5
        labelContent.numberOfLines = 0
        labelContent.lineBreakMode = NSLineBreakMode.ByCharWrapping
        labelContent.text = weibo.text!
        var attributes4 = [NSFontAttributeName : labelContent.font]
        var options4 = NSStringDrawingOptions.UsesLineFragmentOrigin | NSStringDrawingOptions.UsesFontLeading
        var text4 : NSString = NSString(CString: labelContent.text!.cStringUsingEncoding(NSUTF8StringEncoding)!, encoding: NSUTF8StringEncoding)!
        var rect4 = text4.boundingRectWithSize(CGSizeMake(self.frame.size.width, CGFloat.max), options: options4, attributes: attributes4, context: nil)
        labelContent.frame = CGRectMake(labelContent_X, labelContent_Y , 355, rect4.height) //345下,是为IPHONE 6的

        height = CGRectGetMaxY(labelContent.frame) + 10 //行下方留10 个点的距离
    }
    
    required init(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
}

 

//
//  ViewController.swift
//  UITableViewCellExample
//
//  Created by XUYAN on 15/8/15.
//  Copyright (c) 2015年 com.world. All rights reserved.
//

import UIKit
import Foundation

class ViewController: UIViewController,UITableViewDelegate,UITableViewDataSource {
    var tableView : UITableView!
    var datas : [Weibo] = []
    var cells : [AnyObject] = []
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.

        initData()
        
        tableView = UITableView(frame: CGRectMake(5, 64, self.view.frame.size.width - 10, self.view.frame.size.height - 64), style: UITableViewStyle.Plain)
        tableView.dataSource = self
        tableView.delegate = self
        
        self.view.addSubview(tableView)
    }
    
    func numberOfSectionsInTableView(tableView: UITableView) -> Int {
        return 1
    }
    
    func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return datas.count
    }
    
    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
        var wb : Weibo = datas[indexPath.row]
        var identity = "cellidentity"
        var obj : AnyObject? = tableView.dequeueReusableCellWithIdentifier(identity)
        var cell : CustomCell!
        if (obj == nil) {
            cell = CustomCell(style: UITableViewCellStyle.Default, reuseIdentifier: identity)
            cell.setData(wb)
        } else {
            cell = obj as! CustomCell
        }
        return cell
    }
    
    func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
        var cell : CustomCell = cells[indexPath.row] as! CustomCell
        cell.setData(datas[indexPath.row])
        return cell.height
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    func initData() -> Void {
        
        var wb1 = Weibo(id: 100, img: "3.jpg", username: "Echo", mbtype: "", createdOn: "昨天 22:30", source: "iphone 6 Plus", text: "湖北省,位于中国中部偏南、长江中游,洞庭湖以北,故名湖北,简称“鄂”,省会武汉。湖北介于北纬29°05′至33°20′,东经108°21′至116°07′,东连安徽,东南邻江西、湖南,西连重庆,西北与陕西为邻,北接河南。湖北东、西、北三面环山,中部为“鱼米之乡”的江汉平原。")
        
        var wb2 = Weibo(id: 101, img: "1.jpg", username: "Alice", mbtype: "", createdOn: "昨天 22:35", source: "iphone 6 Plus", text: "各位好友,朋友,因本人操作不慎QQ号码被盗,所发表一些污秽言论及诈骗信息。在此我向各位道歉,请各位不要相信这些污秽言论及诈骗信息。对此给各位带来的负面影响我深表歉意。请各位在使用QQ及其他社交工具时谨防这种现象出现,避免悲剧再次发生。最后祝盗号的骗子们,今天晚上死一户口本...")
        var wb3 = Weibo(id: 101, img: "2.jpg", username: "小妖精", mbtype: "", createdOn: "昨天 22:55", source: "iphone 6 Plus", text: "what's mean。")
        var wb4 = Weibo(id: 101, img: "3.jpg", username: "Echo", mbtype: "", createdOn: "昨天 23:46", source: "iphone 4", text: "测试微博列表。")
        var wb5 = Weibo(id: 101, img: "3.jpg", username: "Echo", mbtype: "", createdOn: "昨天 23:47", source: "iphone 4", text: "我又发表了一条微博。")
        var wb6 = Weibo(id: 101, img: "3.jpg", username: "Echo", mbtype: "", createdOn: "昨天 23:48", source: "iphone 4", text: "我又发表了一条微博。")
        var wb7 = Weibo(id: 101, img: "3.jpg", username: "Echo", mbtype: "", createdOn: "昨天 23:49", source: "iphone 4", text: "各位好友,朋友,因本人操作不慎QQ号码被盗,所发表一些污秽言论及诈骗信息。在此我向各位道歉,请各位不要相信这些污秽言论及诈骗信息。对此给各位带来的负面影响我深表歉意。请各位在使用QQ及其他社交工具时谨防这种现象出现,避免悲剧再次发生。最后祝盗号的骗子们,今天晚上死一户口本...。")
   
        datas.append(wb1)
        datas.append(wb2)
        datas.append(wb3)
        datas.append(wb4)
        datas.append(wb5)
        datas.append(wb6)
        datas.append(wb7)
        var cell1 = CustomCell()
        cells.append(cell1)
        var cell2 = CustomCell()
        cells.append(cell2)
        var cell3 = CustomCell()
        cells.append(cell3)
        var cell4 = CustomCell()
        cells.append(cell4)
        var cell5 = CustomCell()
        cells.append(cell5)
        var cell6 = CustomCell()
        cells.append(cell6)
        var cell7 = CustomCell()
        cells.append(cell7)
    }

    override func preferredStatusBarStyle() -> UIStatusBarStyle {
        return UIStatusBarStyle.LightContent
    }
}

 


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