之前别人都是用jq写的，自己整理了一下开始使用
<
el-form-item
label=
"验证">
<
div
class=
"form-inline-input">
<
div
class=
"code-box"
id=
"code-box">
<
input
type=
"text"
name=
"code"
class=
"code-input" />
<
p></
p>
<
span>>>></
span>
</
div>
</
div>
</
el-form-item>
vue代码
//获取元素距离页面边缘的距离
getOffset(
box,
direction){
var setDirection
= (direction
==
'top')
?
'offsetTop'
:
'offsetLeft' ;
var offset
= box[setDirection];
var parentBox
=
box.
offsetParent;
while(parentBox){
offset
+=parentBox[setDirection];
parentBox
=
parentBox.
offsetParent;
}
parentBox
=
null;
return
parseInt(offset);
},
moveCode(
code,
_this){
var fn
= {codeVluae : code};
var box
=
document.
querySelector(
"#code-box"),
progress
=
box.
querySelector(
"p"),
codeInput
=
box.
querySelector(
'.code-input'),
evenBox
=
box.
querySelector(
"span");
//默认事件
var boxEven
= [
'mousedown',
'mousemove',
'mouseup'];
//改变手机端与pc事件类型
if(
typeof
document.
ontouchstart
==
'object'){
boxEven
= [
'touchstart',
'touchmove',
'touchend'];
}
var goX,offsetLeft,deviation,evenWidth,endX;
function
moveFn(
e){
e.
preventDefault();
e
= (boxEven[
'0']
==
'touchstart')
?
e.
touches[
0]
: e
||
window.
event;
endX
=
e.
clientX
- goX;
endX
= (endX
>
0)
? (endX
> evenWidth)
? evenWidth
: endX
:
0;
if(endX
> evenWidth
*
0.7){
progress.
innerText
=
'松开验证';
progress.
style.
backgroundColor
=
"#66CC66";
}
else{
progress.
innerText
=
'';
progress.
style.
backgroundColor
=
"#FFFF99";
}
progress.
style.
width
= endX
+deviation
+
'px';
evenBox.
style.
left
= endX
+
'px';
}
function
removeFn() {
document.
removeEventListener(boxEven[
'2'],removeFn,
false);
document.
removeEventListener(boxEven[
'1'],moveFn,
false);
if(endX
> evenWidth
*
0.7){
progress.
innerText
=
'验证成功';
progress.
style.
width
= evenWidth
+deviation
+
'px';
evenBox.
style.
left
= evenWidth
+
'px'
codeInput.
value
=
fn.
codeVluae;
evenBox.
onmousedown
=
null;
_this.
ruleForm.
verification
=
true;
}
else{
progress.
style.
width
=
'0px';
evenBox.
style.
left
=
'0px';
}
};
function
getOffset(
box,
direction){
var setDirection
= (direction
==
'top')
?
'offsetTop'
:
'offsetLeft' ;
var offset
= box[setDirection];
var parentBox
=
box.
offsetParent;
while(parentBox){
offset
+=parentBox[setDirection];
parentBox
=
parentBox.
offsetParent;
}
parentBox
=
null;
return
parseInt(offset);
};
evenBox.
addEventListener(boxEven[
'0'],
function(
e) {
e
= (boxEven[
'0']
==
'touchstart')
?
e.
touches[
0]
: e
||
window.
event;
goX
=
e.
clientX,
offsetLeft
=
getOffset(box,
'left'),
deviation
=
this.
clientWidth,
evenWidth
=
box.
clientWidth
- deviation,
endX;
document.
addEventListener(boxEven[
'1'],moveFn,
false);
document.
addEventListener(boxEven[
'2'],removeFn,
false);
},
false);
fn.
setCode
=
function(
code){
if(code)
fn.
codeVluae
= code;
}
fn.
getCode
=
function(){
return
fn.
codeVluae;
}
fn.
resetCode
=
function(){
evenBox.
removeAttribute(
'style');
progress.
removeAttribute(
'style');
codeInput.
value
=
'';
};
return fn;
}
调用
mounted(){
var _this
=
this;
// window.addEventListener('load',function(){
//code是后台传入的验证字符串
var code
=
"jsaidaisd656",
codeFn
=
new
_this.
moveCode(code,_this);
// });
}
验证样式
.form-inline-input{
border:
1
px
solid
#dadada;
border-radius:
5
px;
}
.form-inline-input
input,
.code-box{
padding:
0
3
px;
width:
298
px;
height:
40
px;
color:
#fff;
text-shadow:
1
px
1
px
1
px
black;
background:
#efefef;
border:
0;
border-radius:
5
px;
outline:
none;
}
.code-box{
position:
relative;
}
.code-box
p,
.code-box
span{
display:
block;
position:
absolute;
left:
0;
height:
40
px;
text-align:
center;
line-height:
40
px;
border-radius:
5
px;
padding:
0;
margin:
0;
}
.code-box
span{
width:
40
px;
background-color:
#fff;
font-size:
16
px;
cursor:
pointer;
margin-right:
1
px;
}
.code-box
p{
width:
0;
background-color:
#FFFF99;
overflow:
hidden;
text-indent:
-20
px;
transition:
background
1
s
ease-in;
}
.code-box
.code-input{
display:
none;
}
.code-box
.code-input{
display:
none;
}
.form-inline-input{
border:
1
px
solid
#dadada;
border-radius:
5
px;
}
.form-inline-input
input,
.code-box{
padding:
0
3
px;
width:
298
px;
height:
40
px;
color:
#fff;
text-shadow:
1
px
1
px
1
px
black;
background:
#efefef;
border:
0;
border-radius:
5
px;
outline:
none;
}
.code-box{
position:
relative;
}
.code-box
p,
.code-box
span{
display:
block;
position:
absolute;
left:
0;
height:
40
px;
text-align:
center;
line-height:
40
px;
border-radius:
5
px;
padding:
0;
margin:
0;
}
.code-box
span{
width:
40
px;
background-color:
#fff;
font-size:
16
px;
cursor:
pointer;
margin-right:
1
px;
}
.code-box
p{
width:
0;
background-color:
#FFFF99;
overflow:
hidden;
text-indent:
-20
px;
transition:
background
1
s
ease-in;
}
.code-box
.code-input{
display:
none;
}
.code-box
.code-input{
display:
none;
}
展示
