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@Entry
@Component
struct Index {@Styles common(){.backgroundColor("#ccc").borderRadius(6)}@State arrs: Array<string> = ["CE", "C", "/", "x","7", "8", "9", "-","4", "5", "6", "+","1", "2", "3", "=","0", "."]build() {Column() {/*** 1.TEXT画出上面的文本框* 2.使用网格布局循环展示各子组件*/Text("0").fontSize(20).textAlign(TextAlign.End).width("100%").height("20%").backgroundColor("#ccc").borderRadius(8)Grid() {ForEach(this.arrs, (item:string, index) => {if (this.arrs.indexOf("=") === index) {GridItem() {Text(item)}.common().rowStart(4).rowEnd(5)} else if (this.arrs.indexOf("0") === index) {GridItem() {Text(item)}.common().columnStart(1).columnEnd(2)} else {GridItem() {Text(item)}.common()}})}.columnsTemplate("1fr 1fr 1fr 1fr").rowsTemplate("1fr 1fr 1fr 1fr 1fr").rowsGap(8).columnsGap(5).margin({ top: 5 }).height("80%")}.padding(10)}
}