99 lines
3.1 KiB
JavaScript
99 lines
3.1 KiB
JavaScript
"use strict";
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const common_vendor = require("../../../../common/vendor.js");
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const _sfc_main = {
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name: "u-code",
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mixins: [common_vendor.mpMixin, common_vendor.mixin, common_vendor.props$15],
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data() {
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return {
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secNum: this.seconds,
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timer: null,
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canGetCode: true
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// 是否可以执行验证码操作
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};
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},
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mounted() {
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this.checkKeepRunning();
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},
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watch: {
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seconds: {
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immediate: true,
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handler(n) {
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this.secNum = n;
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}
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}
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},
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emits: ["start", "end", "change"],
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methods: {
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checkKeepRunning() {
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let lastTimestamp = Number(common_vendor.index.getStorageSync(this.uniqueKey + "_$uCountDownTimestamp"));
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if (!lastTimestamp)
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return this.changeEvent(this.startText);
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let nowTimestamp = Math.floor(+/* @__PURE__ */ new Date() / 1e3);
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if (this.keepRunning && lastTimestamp && lastTimestamp > nowTimestamp) {
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this.secNum = lastTimestamp - nowTimestamp;
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common_vendor.index.removeStorageSync(this.uniqueKey + "_$uCountDownTimestamp");
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this.start();
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} else {
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this.changeEvent(this.startText);
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}
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},
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// 开始倒计时
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start() {
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if (this.timer) {
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clearInterval(this.timer);
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this.timer = null;
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}
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this.$emit("start");
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this.canGetCode = false;
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this.changeEvent(this.changeText.replace(/x|X/, this.secNum));
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this.timer = setInterval(() => {
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if (--this.secNum) {
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this.changeEvent(this.changeText.replace(/x|X/, this.secNum));
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} else {
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clearInterval(this.timer);
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this.timer = null;
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this.changeEvent(this.endText);
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this.secNum = this.seconds;
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this.$emit("end");
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this.canGetCode = true;
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}
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}, 1e3);
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this.setTimeToStorage();
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},
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// 重置，可以让用户再次获取验证码
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reset() {
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this.canGetCode = true;
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clearInterval(this.timer);
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this.secNum = this.seconds;
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this.changeEvent(this.endText);
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},
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changeEvent(text) {
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this.$emit("change", text);
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},
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// 保存时间戳，为了防止倒计时尚未结束，H5刷新或者各端的右上角返回上一页再进来
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setTimeToStorage() {
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if (!this.keepRunning || !this.timer)
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return;
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if (this.secNum > 0 && this.secNum <= this.seconds) {
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let nowTimestamp = Math.floor(+/* @__PURE__ */ new Date() / 1e3);
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common_vendor.index.setStorage({
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key: this.uniqueKey + "_$uCountDownTimestamp",
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data: nowTimestamp + Number(this.secNum)
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});
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}
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}
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},
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// 组件销毁的时候，清除定时器，否则定时器会继续存在，系统不会自动清除
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beforeUnmount() {
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this.setTimeToStorage();
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clearTimeout(this.timer);
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this.timer = null;
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}
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};
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function _sfc_render(_ctx, _cache, $props, $setup, $data, $options) {
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return {};
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}
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const Component = /* @__PURE__ */ common_vendor._export_sfc(_sfc_main, [["render", _sfc_render], ["__scopeId", "data-v-ac37a9df"]]);
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wx.createComponent(Component);
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//# sourceMappingURL=../../../../../.sourcemap/mp-weixin/node-modules/uview-plus/components/u-code/u-code.js.map
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