[Docs] modify example:Add default constructor

paynie · web-flow · commit 589bced13913 · 2017-06-15T17:52:01.000+08:00
diff --git a/docs/design/psf_get.md b/docs/design/psf_get.md
@@ -41,6 +41,10 @@ public class Sum extends GetFunc {
       this.rowIndex = rowIndex;
     }
     
+    public SumParam() {
+      this(-1, -1);
+    }
+    
     public int getRowIndex() {
       return rowIndex;
     }
@@ -211,4 +215,4 @@ double result = ((SumResult)psModel.get(sumFunc)).getResult();
 ```
 
 
-  [1]: ../img/psf_get.png
+  [1]: ../img/psf_get.png

Original file line number	Diff line number	Diff line change
`@@ -41,6 +41,10 @@ public class Sum extends GetFunc {`
`41`	`41`	`this.rowIndex = rowIndex;`
`42`	`42`	`}`
`43`	`43`
	`44`	`+ public SumParam() {`
	`45`	`+ this(-1, -1);`
	`46`	`+ }`
	`47`	`+`
`44`	`48`	`public int getRowIndex() {`
`45`	`49`	`return rowIndex;`
`46`	`50`	`}`
`@@ -211,4 +215,4 @@ double result = ((SumResult)psModel.get(sumFunc)).getResult();`
`211`	`215`	```
`212`	`216`
`213`	`217`
`214`		`- [1]: ../img/psf_get.png`
	`218`	`+ [1]: ../img/psf_get.png`