fix(Counter): 修复浮点数数值超出问题

7yue · 7yue · commit dfcd6ba4dad7 · 2022-05-18T15:42:45.000+08:00
diff --git a/src/counter/index.js b/src/counter/index.js
@@ -114,6 +114,9 @@ Component({
       } else if (type === 'reduce') {
         result = count - step < min ? min : count - step;
       }
+      // 浮点数运算会有精确度问题，保留两位小数
+      result = result.toFixed(2);
+      result = parseFloat(result);
 
       this.setData({ count: result });
       eventUtil.emit(this, 'lintap', {

Original file line number	Diff line number	Diff line change
`@@ -114,6 +114,9 @@ Component({`
`114`	`114`	`} else if (type === 'reduce') {`
`115`	`115`	`result = count - step < min ? min : count - step;`
`116`	`116`	`}`
	`117`	`+ // 浮点数运算会有精确度问题，保留两位小数`
	`118`	`+ result = result.toFixed(2);`
	`119`	`+ result = parseFloat(result);`
`117`	`120`
`118`	`121`	`this.setData({ count: result });`
`119`	`122`	`eventUtil.emit(this, 'lintap', {`