# FileReader 讀取文字內容
[參考網站](https://blog.csdn.net/lucky541788/article/details/86675495)
---
[前情提要](https://hackmd.io/cv00DXFxQv2Kh1RbMtClxg)

//讀取file的txt內容
var reader = new FileReader();

reader.readAsText(file);
reader.onload = function(){
    $("#mobile").val(reader.result);
}


<s:textarea label="smsMaintainAddVo.mobile"
name="smsMaintainAddVo.mobile" id="mobile" cols="80" rows="10"
style="resize:none" maxLength="80" value="%{smsMaintainAddVo.mobile}"/>

---
**結果顯示:**

###### tags: `javascript`