希望通过在tableview函数中使用函数来简化我的代码。我认为这是可能的，但我无法弄清楚如何开始。我尝试创建一个函数来执行我想要的操作，但我无法弄清楚如何在我的函数中调用自定义单元格变量。
以下是我想要简化的代码：
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
if indexPath.section == 0 {
// PART 1
let cell = tableView.dequeueReusableCell(withIdentifier: "CustomCell1", for: indexPath) as! PaydayDetailCellA1
let (jobDescription, day1, day2, day3, day4, day5, day6, day7, _) = tempPaydayDailyJobs[indexPath.row]
cell.tallyView.layer.cornerRadius = cell.tallyView.bounds.height / 6.4
cell.tallyView.layer.masksToBounds = true
cell.tallyView.layer.borderColor = UIColor.lightGray.cgColor
cell.tallyView.layer.borderWidth = 0.5
cell.jobDesc.text = jobDescription
cell.dayColor1.text = day1
switch day1 {
case "1":
cell.dayColor1.text = ""
cell.dayColor1.backgroundColor = UIColor(red: 141/255, green: 198/255, blue: 63/255, alpha: 1)
case "X":
cell.dayColor1.text = ""
cell.dayColor1.backgroundColor = UIColor.red
case "E":
cell.dayColor1.backgroundColor = UIColor.lightGray
default:
cell.dayColor1.backgroundColor = UIColor(red: 141/255, green: 198/255, blue: 63/255, alpha: 1)
cell.dayColor1.textColor = UIColor.white
}
cell.dayColor2.text = day2
switch day2 {
case "1":
cell.dayColor2.text = ""
cell.dayColor2.backgroundColor = UIColor(red: 141/255, green: 198/255, blue: 63/255, alpha: 1)
case "X":
cell.dayColor2.text = ""
cell.dayColor2.backgroundColor = UIColor.red
case "E":
cell.dayColor2.backgroundColor = UIColor.lightGray
default:
cell.dayColor2.backgroundColor = UIColor(red: 141/255, green: 198/255, blue: 63/255, alpha: 1)
cell.dayColor2.textColor = UIColor.white
}
cell.dayColor3.text = day3
switch day3 {
case "1":
cell.dayColor3.text = ""
cell.dayColor3.backgroundColor = UIColor(red: 141/255, green: 198/255, blue: 63/255, alpha: 1)
case "X":
cell.dayColor3.text = ""
cell.dayColor3.backgroundColor = UIColor.red
case "E":
cell.dayColor3.backgroundColor = UIColor.lightGray
default:
cell.dayColor3.backgroundColor = UIColor(red: 141/255, green: 198/255, blue: 63/255, alpha: 1)
cell.dayColor3.textColor = UIColor.white
}
cell.dayColor4.text = day4
switch day4 {
case "1":
cell.dayColor4.text = ""
cell.dayColor4.backgroundColor = UIColor(red: 141/255, green: 198/255, blue: 63/255, alpha: 1)
case "X":
cell.dayColor4.text = ""
cell.dayColor4.backgroundColor = UIColor.red
case "E":
cell.dayColor4.backgroundColor = UIColor.lightGray
default:
cell.dayColor4.backgroundColor = UIColor(red: 141/255, green: 198/255, blue: 63/255, alpha: 1)
cell.dayColor4.textColor = UIColor.white
}
cell.dayColor5.text = day5
switch day5 {
case "1":
cell.dayColor5.text = ""
cell.dayColor5.backgroundColor = UIColor(red: 141/255, green: 198/255, blue: 63/255, alpha: 1)
case "X":
cell.dayColor5.text = ""
cell.dayColor5.backgroundColor = UIColor.red
case "E":
cell.dayColor5.backgroundColor = UIColor.lightGray
default:
cell.dayColor5.backgroundColor = UIColor(red: 141/255, green: 198/255, blue: 63/255, alpha: 1)
cell.dayColor5.textColor = UIColor.white
}
cell.dayColor6.text = day6
switch day6 {
case "1":
cell.dayColor6.text = ""
cell.dayColor6.backgroundColor = UIColor(red: 141/255, green: 198/255, blue: 63/255, alpha: 1)
case "X":
cell.dayColor6.text = ""
cell.dayColor6.backgroundColor = UIColor.red
case "E":
cell.dayColor6.backgroundColor = UIColor.lightGray
default:
cell.dayColor6.backgroundColor = UIColor(red: 141/255, green: 198/255, blue: 63/255, alpha: 1)
cell.dayColor6.textColor = UIColor.white
}
cell.dayColor7.text = day7
switch day7 {
case "1":
cell.dayColor7.text = ""
cell.dayColor7.backgroundColor = UIColor(red: 141/255, green: 198/255, blue: 63/255, alpha: 1)
case "X":
cell.dayColor7.text = ""
cell.dayColor7.backgroundColor = UIColor.red
case "E":
cell.dayColor7.backgroundColor = UIColor.lightGray
default:
cell.dayColor7.backgroundColor = UIColor(red: 141/255, green: 198/255, blue: 63/255, alpha: 1)
cell.dayColor7.textColor = UIColor.white
}
return cell
} else {
// PART 2
let cell2 = tableView.dequeueReusableCell(withIdentifier: "CustomCell2", for: indexPath) as! PaydayDetailCellA2
let (_, pointAmount) = tempDailyChoresSummary[indexPath.row]
cell2.dailyChoresNumber.text = "\(pointAmount)"
cell2.jobConsistencyBonusNumber.text = "\(pointAmount)"
cell2.previousUnpaidAmountsNumber.text = "\(pointAmount)"
cell2.dailyChoresSubtotalNumber.text = "\(pointAmount)"
return cell2
}
}
我在自定义tableview单元格中有一个标签块。我希望标签的背景颜色根据外部阵列中的数据改变颜色。我附上了一张它的样子（如果有帮助的话）。 Here is the picture of the tableview with colored labels.
或者是否有更简单的方法来做我想做的事情？
答案 0 :(得分：0)
这种方法可以减少表函数中的代码。请记住，这是一个概念。 您可以通过创建UITableViewCell的扩展来分解一些重复的属性设置。
首先创建一个协议
protocol Settable {
func setData(val: Int)
}
然后进行扩展
extension Settable {
func setData(jobDescription: String, jobSubtotal: String, cornerRadius: Float, maskToBounds: Bool, borderColor: CGColor, borderWidth: Float) {
self.tallyView.layer.cornerRadius = cornerRadius
self.tallyView.layer.masksToBounds = maskToBounds
self.tallyView.layer.borderColor = borderColor
self.tallyView.layer.borderWidth = borderWidth
self.jobDesc.text = jobDescription
self.jobSubtotal.text = jobSubtotal
}
}
然后扩展您的UITableViewCell
class PaydayNewCellA1 : UITableViewCell, Settable {
}
class PaydayNewCellB1 : UITableViewCell, Settable {
}
class PaydayNewCellC1 : UITableViewCell, Settable {
}
然后您可以在函数中执行以下操作：
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
if (tableView == self.tableView1) {
if indexPath.section == 0 {
let cell = tableView1.dequeueReusableCell(withIdentifier: "CustomCell1", for: indexPath) as! PaydayNewCellA1
// Now use the function
cell.setData(jobDescription: "daily job \(indexPath.row + 1)", jobSubtotal: "50", cornerRadius: cell.tallyView.bounds.height / 6.4, maskToBounds: true, borderColor: UIColor.lightGray.cgColor, borderWidth: 0.5)
return cell
} else {
let cell = tableView1.dequeueReusableCell(withIdentifier: "CustomCell2", for: indexPath) as! PaydayNewCellA2
return cell
}
} else if (tableView == tableView2) {
// rest of code etc
}