tiefen_space_web/app/zone/share/[user_id]/page.jsx

"use client";

import React, { useState, useEffect } from "react";
import html2canvas from "html2canvas";
import baseRequest from "@/utils/baseRequest";
import { Toast } from "antd-mobile";
import { generateSignature } from "@/utils/crypto";

export default function Share({ params }) {
  //获取页面数据、生成二维码
  const [data, setData] = useState({});
  const [qrcodeUrl, setQrcodeUrl] = useState("");
  const [isFetching, setIsFetching] = useState(true);
  useEffect(() => {
    const getData = async () => {
      try {
        const base = baseRequest();
        const signature = generateSignature({
          user_id: parseInt(params.user_id, 10),
          ...base,
        });
        const detailResponse = await fetch(
          `/api/streamer/list_ext_by_user_id?signature=${signature}`,
          {
            method: "POST",
            headers: {
              "Content-Type": "application/json",
            },
            body: JSON.stringify({
              user_id: parseInt(params.user_id, 10),
              ...base,
            }),
          }
        );
        const detailData = await detailResponse.json();
        if (detailData.ret === -1) {
          Toast.show({
            content: detailData.msg,
          });
          return;
        }
        setData(detailData.data.streamer_ext);
        var QRCode = require("qrcode");
        QRCode.toDataURL(
          `https://tiefen.fun/zone/${params.user_id}`,
          function (err, url) {
            setQrcodeUrl(url);
          }
        );
        setIsFetching(false);
      } catch (error) {
        console.error(error);
      }
    };
    getData();
  }, []);

  //分享海报组件
  const Poster = () => {
    return (
      <div className="flex flex-col">
        <div id="print" className="flex flex-col overflow-hidden bg-[#07050A]">
          <div className="flex w-full justify-center items-center aspect-square overflow-hidden">
            <img
              className="w-full"
              src={data?.cover?.images[0].urls[0]}
              alt=""
            />
          </div>
          <div className="flex flex-row items-center w-full p-2 bg-[#07050A]">
            <div className="flex flex-col justify-around items-start shrink min-w-0">
              <div className="flex flex-row items-center w-full">
                <div className="flex items-center justify-center shrink-0 rounded-full overflow-hidden aspect-square w-12 border border-white">
                  <img
                    className="w-full"
                    src={data?.avatar?.images[0].urls[0]}
                    alt=""
                  />
                </div>
                <div className="flex flex-col ml-2 shrink min-w-0">
                  <p className="font-medium text-base text-white truncate">
                    {data?.name}
                  </p>
                  <div className="flex justify-start flex-1">
                    <div className="flex flex-row items-center py-0.5 px-2 bg-[#FFFFFF1A] rounded-full">
                      <p className="text-xs text-white font-medium">ID</p>
                      <p className="text-white text-xs font-medium ml-0.5">
                        {data?.user_id}
                      </p>
                    </div>
                  </div>
                </div>
              </div>
              <div className="flex flex-col px-2 py-1 mt-2 bg-[#FF61B030] rounded-full justify-center">
                <p className="text-xs text-[#FF669E] rounded-full text-center">
                  邀您加入我的
                  <span className="text-xs text-[#FF669E] font-semibold">
                    「铁粉空间」
                  </span>
                </p>
              </div>
            </div>
            <div className="h-20 aspect-square ml-auto overflow-hidden rounded shrink-0">
              <img className="object-cover scale-110 w-full" src={qrcodeUrl} />
            </div>
          </div>
        </div>
        <button
          onClick={saveImage}
          className="btn btn-md bg-gradient-to-r from-[#FF668B] to-[#FF66F0] rounded-full text-white text-base font-medium w-full mt-4"
        >
          保存图片
        </button>
        <button
          onClick={copyUrl}
          className="btn btn-md bg-gradient-to-r from-[#FF668B] to-[#FF66F0] rounded-full text-white text-base font-medium w-full mt-4"
        >
          复制链接
        </button>
      </div>
    );
  };

  //保存图片
  const saveImage = async () => {
    const element = document.getElementById("print");
    const canvas = await html2canvas(element, {
      useCORS: true,
    });
    const data = canvas.toDataURL("image/jpg");
    window.ReactNativeWebView.postMessage(
      JSON.stringify({
        type: "SAVE_IMAGE",
        data: data,
      })
    );
  };

  //复制链接
  const copyUrl = () => {
    window.ReactNativeWebView.postMessage(
      JSON.stringify({
        type: "COPY_URL",
        data: `https://tiefen.fun/zone/${params.user_id}`,
      })
    );
  };

  if (isFetching) {
    return (
      <section className="flex flex-1 justify-center container">
        <span className="absolute top-1/2 loading loading-spinner loading-lg"></span>
      </section>
    );
  }

  return (
    <section className="flex flex-1 flex-col items-center justify-center container">
      <div className="w-4/5">
        <Poster />
      </div>
    </section>
  );
}