2023-06-21 19:14:34 +08:00

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<template>
<div style="position: relative">
<div
v-if="type === '2'"
:style="{ height: parseInt(setSize.imgHeight) + vSpace + 'px' }"
class="verify-img-out"
>
<div :style="{ width: setSize.imgWidth, height: setSize.imgHeight }" class="verify-img-panel">
<img
:src="'data:image/png;base64,' + backImgBase"
alt=""
style="width: 100%; height: 100%; display: block"
/>
<div v-show="showRefresh" class="verify-refresh" @click="refresh">
<i class="iconfont icon-refresh"></i>
</div>
<transition name="tips">
<span v-if="tipWords" :class="passFlag ? 'suc-bg' : 'err-bg'" class="verify-tips">
{{ tipWords }}
</span>
</transition>
</div>
</div>
<!-- 公共部分 -->
<div
:style="{ width: setSize.imgWidth, height: barSize.height, 'line-height': barSize.height }"
class="verify-bar-area"
>
<span class="verify-msg" v-text="text"></span>
<div
:style="{
width: leftBarWidth !== undefined ? leftBarWidth : barSize.height,
height: barSize.height,
'border-color': leftBarBorderColor,
transaction: transitionWidth
}"
class="verify-left-bar"
>
<span class="verify-msg" v-text="finishText"></span>
<div
:style="{
width: barSize.height,
height: barSize.height,
'background-color': moveBlockBackgroundColor,
left: moveBlockLeft,
transition: transitionLeft
}"
class="verify-move-block"
@mousedown="start"
@touchstart="start"
>
<i :class="['verify-icon iconfont', iconClass]" :style="{ color: iconColor }"></i>
<div
v-if="type === '2'"
:style="{
width: Math.floor((parseInt(setSize.imgWidth) * 47) / 310) + 'px',
height: setSize.imgHeight,
top: '-' + (parseInt(setSize.imgHeight) + vSpace) + 'px',
'background-size': setSize.imgWidth + ' ' + setSize.imgHeight
}"
class="verify-sub-block"
>
<img
:src="'data:image/png;base64,' + blockBackImgBase"
alt=""
style="width: 100%; height: 100%; display: block; -webkit-user-drag: none"
/>
</div>
</div>
</div>
</div>
</div>
</template>
<script setup type="text/babel">
/**
* VerifySlide
* @description 滑块
* */
import { aesEncrypt } from './../utils/ase'
import { resetSize } from './../utils/util'
import { getCode, reqCheck } from '@/api/login'
const props = defineProps({
captchaType: {
type: String
},
type: {
type: String,
default: '1'
},
//弹出式pop固定fixed
mode: {
type: String,
default: 'fixed'
},
vSpace: {
type: Number,
default: 5
},
explain: {
type: String,
default: ''
},
imgSize: {
type: Object,
default() {
return {
width: '310px',
height: '155px'
}
}
},
blockSize: {
type: Object,
default() {
return {
width: '50px',
height: '50px'
}
}
},
barSize: {
type: Object,
default() {
return {
width: '310px',
height: '30px'
}
}
}
})
const { t } = useI18n()
const { mode, captchaType, type, blockSize, explain } = toRefs(props)
const { proxy } = getCurrentInstance()
let secretKey = ref(''), //后端返回的ase加密秘钥
passFlag = ref(''), //是否通过的标识
backImgBase = ref(''), //验证码背景图片
blockBackImgBase = ref(''), //验证滑块的背景图片
backToken = ref(''), //后端返回的唯一token值
startMoveTime = ref(''), //移动开始的时间
endMovetime = ref(''), //移动结束的时间
tipWords = ref(''),
text = ref(''),
finishText = ref(''),
setSize = reactive({
imgHeight: 0,
imgWidth: 0,
barHeight: 0,
barWidth: 0
}),
moveBlockLeft = ref(undefined),
leftBarWidth = ref(undefined),
// 移动中样式
moveBlockBackgroundColor = ref(undefined),
leftBarBorderColor = ref('#ddd'),
iconColor = ref(undefined),
iconClass = ref('icon-right'),
status = ref(false), //鼠标状态
isEnd = ref(false), //是够验证完成
showRefresh = ref(true),
transitionLeft = ref(''),
transitionWidth = ref(''),
startLeft = ref(0)
const barArea = computed(() => {
return proxy.$el.querySelector('.verify-bar-area')
})
const init = () => {
if (explain.value === '') {
text.value = t('captcha.slide')
} else {
text.value = explain.value
}
getPictrue()
nextTick(() => {
let { imgHeight, imgWidth, barHeight, barWidth } = resetSize(proxy)
setSize.imgHeight = imgHeight
setSize.imgWidth = imgWidth
setSize.barHeight = barHeight
setSize.barWidth = barWidth
proxy.$parent.$emit('ready', proxy)
})
window.removeEventListener('touchmove', function (e) {
move(e)
})
window.removeEventListener('mousemove', function (e) {
move(e)
})
//鼠标松开
window.removeEventListener('touchend', function () {
end()
})
window.removeEventListener('mouseup', function () {
end()
})
window.addEventListener('touchmove', function (e) {
move(e)
})
window.addEventListener('mousemove', function (e) {
move(e)
})
//鼠标松开
window.addEventListener('touchend', function () {
end()
})
window.addEventListener('mouseup', function () {
end()
})
}
watch(type, () => {
init()
})
onMounted(() => {
// 禁止拖拽
init()
proxy.$el.onselectstart = function () {
return false
}
})
//鼠标按下
const start = (e) => {
e = e || window.event
if (!e.touches) {
//兼容PC端
var x = e.clientX
} else {
//兼容移动端
var x = e.touches[0].pageX
}
startLeft.value = Math.floor(x - barArea.value.getBoundingClientRect().left)
startMoveTime.value = +new Date() //开始滑动的时间
if (isEnd.value == false) {
text.value = ''
moveBlockBackgroundColor.value = '#337ab7'
leftBarBorderColor.value = '#337AB7'
iconColor.value = '#fff'
e.stopPropagation()
status.value = true
}
}
//鼠标移动
const move = (e) => {
e = e || window.event
if (status.value && isEnd.value == false) {
if (!e.touches) {
//兼容PC端
var x = e.clientX
} else {
//兼容移动端
var x = e.touches[0].pageX
}
var bar_area_left = barArea.value.getBoundingClientRect().left
var move_block_left = x - bar_area_left //小方块相对于父元素的left值
if (
move_block_left >=
barArea.value.offsetWidth - parseInt(parseInt(blockSize.value.width) / 2) - 2
) {
move_block_left =
barArea.value.offsetWidth - parseInt(parseInt(blockSize.value.width) / 2) - 2
}
if (move_block_left <= 0) {
move_block_left = parseInt(parseInt(blockSize.value.width) / 2)
}
//拖动后小方块的left值
moveBlockLeft.value = move_block_left - startLeft.value + 'px'
leftBarWidth.value = move_block_left - startLeft.value + 'px'
}
}
//鼠标松开
const end = () => {
endMovetime.value = +new Date()
//判断是否重合
if (status.value && isEnd.value == false) {
var moveLeftDistance = parseInt((moveBlockLeft.value || '').replace('px', ''))
moveLeftDistance = (moveLeftDistance * 310) / parseInt(setSize.imgWidth)
let data = {
captchaType: captchaType.value,
pointJson: secretKey.value
? aesEncrypt(JSON.stringify({ x: moveLeftDistance, y: 5.0 }), secretKey.value)
: JSON.stringify({ x: moveLeftDistance, y: 5.0 }),
token: backToken.value
}
reqCheck(data).then((res) => {
if (res.repCode == '0000') {
moveBlockBackgroundColor.value = '#5cb85c'
leftBarBorderColor.value = '#5cb85c'
iconColor.value = '#fff'
iconClass.value = 'icon-check'
showRefresh.value = false
isEnd.value = true
if (mode.value == 'pop') {
setTimeout(() => {
proxy.$parent.clickShow = false
refresh()
}, 1500)
}
passFlag.value = true
tipWords.value = `${((endMovetime.value - startMoveTime.value) / 1000).toFixed(2)}s
${t('captcha.success')}`
var captchaVerification = secretKey.value
? aesEncrypt(
backToken.value + '---' + JSON.stringify({ x: moveLeftDistance, y: 5.0 }),
secretKey.value
)
: backToken.value + '---' + JSON.stringify({ x: moveLeftDistance, y: 5.0 })
setTimeout(() => {
tipWords.value = ''
proxy.$parent.closeBox()
proxy.$parent.$emit('success', { captchaVerification })
}, 1000)
} else {
moveBlockBackgroundColor.value = '#d9534f'
leftBarBorderColor.value = '#d9534f'
iconColor.value = '#fff'
iconClass.value = 'icon-close'
passFlag.value = false
setTimeout(function () {
refresh()
}, 1000)
proxy.$parent.$emit('error', proxy)
tipWords.value = t('captcha.fail')
setTimeout(() => {
tipWords.value = ''
}, 1000)
}
})
status.value = false
}
}
const refresh = async () => {
showRefresh.value = true
finishText.value = ''
transitionLeft.value = 'left .3s'
moveBlockLeft.value = 0
leftBarWidth.value = undefined
transitionWidth.value = 'width .3s'
leftBarBorderColor.value = '#ddd'
moveBlockBackgroundColor.value = '#fff'
iconColor.value = '#000'
iconClass.value = 'icon-right'
isEnd.value = false
await getPictrue()
setTimeout(() => {
transitionWidth.value = ''
transitionLeft.value = ''
text.value = explain.value
}, 300)
}
// 请求背景图片和验证图片
const getPictrue = async () => {
let data = {
captchaType: captchaType.value
}
const res = await getCode(data)
if (res.repCode == '0000') {
backImgBase.value = res.repData.originalImageBase64
blockBackImgBase.value = res.repData.jigsawImageBase64
backToken.value = res.repData.token
secretKey.value = res.repData.secretKey
} else {
tipWords.value = res.repMsg
}
}
</script>