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bang590 avatar bang590 commented on August 30, 2024

对OC返回的NSString/NSArray/NSDictionary调用toJS()方法会得到JS里对应的类型:

var num = self.dataSource()[indexPath.row].sringValue();.toJS();
cell.textLabel().setText(num +"js");

详见wiki https://github.com/bang590/JSPatch/wiki/Base-usage

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albert438 avatar albert438 commented on August 30, 2024

NSNumber回传到JS中是JS里的Number类型,转成字符串可以用JS中的toString()方法。

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albert438 avatar albert438 commented on August 30, 2024
    var num = self.dataSource().objectAtIndex(indexPath.row())
    cell.textLabel().setText(num + "js")

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bang590 avatar bang590 commented on August 30, 2024

@albert438 没注意到它这里原来是number,其实不用toString()也能得出结果:1+"JS"=="1JS"

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albert438 avatar albert438 commented on August 30, 2024

@bang590 👍 已改正。
他这里报错的原因是在这里,self.dataSource()[indexPath.row],self.dataSource()返回的是一个NSMutableArray对象,所以在JS中不能用中括号。楼主要用中括号的话要转成JS对象:

 var jsArray    = self.dataSource().toJS()
 cell.textLabel().setText(jsArray[indexPath.row()] + "JS")

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izhexi avatar izhexi commented on August 30, 2024

确实是中括号的问题 ,使用中括号后,取出来的值为 undefined。虽不报错,但是拿不到正确类型。js 语法与 OC 混用了。问题已经解决一下两种都可以:

var jsArray = self.dataSource().toJS()
cell.textLabel().setText(jsArray[indexPath.row()] + "JS")

var num = self.dataSource().objectAtIndex(indexPath.row())
cell.textLabel().setText(num + "js")

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