package cn.iocoder.yudao.module.wxcp.controller.admin.activity;
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import cn.hutool.core.util.StrUtil;
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import cn.iocoder.yudao.framework.common.pojo.CommonResult;
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import cn.iocoder.yudao.module.wxcp.controller.admin.activity.vo.WxCpSignupPublicReqVO;
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import cn.iocoder.yudao.module.wxcp.dal.dataobject.activity.WxCpActivityDO;
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import cn.iocoder.yudao.module.wxcp.enums.activity.WxCpActivityStatusEnum;
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import cn.iocoder.yudao.module.wxcp.service.activity.WxCpActivityService;
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import io.swagger.v3.oas.annotations.Operation;
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import io.swagger.v3.oas.annotations.Parameter;
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import io.swagger.v3.oas.annotations.tags.Tag;
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import jakarta.annotation.Resource;
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import jakarta.annotation.security.PermitAll;
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import jakarta.validation.Valid;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.http.MediaType;
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import org.springframework.validation.annotation.Validated;
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import org.springframework.web.bind.annotation.*;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
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/**
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* 企业微信活动 - 报名落地页与报名接口（免登录）
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*
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* 说明：这两个接口刻意放在 controller.admin 包下，从而带上 /admin-api 前缀。
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* 原因是前端 Vite 的开发代理只转发 /admin-api，若放到 /app-api，
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* 扫码后请求会打到前端静态服务返回 404，报名页打不开。
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*
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* @author 超级管理员
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*/
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@Tag(name = "用户 App - 企业微信活动报名")
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@RestController
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@RequestMapping("/wxcp/activity")
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@Validated
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@Slf4j
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public class WxCpActivityPublicController {
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private static final DateTimeFormatter TIME_FMT = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm");
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@Resource
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private WxCpActivityService activityService;
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@GetMapping(value = "/signup-page", produces = MediaType.TEXT_HTML_VALUE)
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@PermitAll
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@Operation(summary = "活动报名页（HTML）", description = "二维码指向此页面，企业微信成员扫码后打开")
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@Parameter(name = "id", description = "活动编号", required = true)
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public String signupPage(@RequestParam("id") Long id,
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@RequestParam(value = "wxUserId", required = false) String wxUserId) {
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WxCpActivityDO activity = activityService.getActivity(id);
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if (activity == null) {
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return renderMessagePage("活动不存在", "活动可能已被删除，请联系活动发起人确认。");
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}
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if (!isSignupOpen(activity)) {
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return renderMessagePage("报名已结束",
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"该活动当前不可报名（可能未发布、已结束或不在报名时间内）。");
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}
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return renderSignupPage(activity, wxUserId);
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}
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@PostMapping("/signup")
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@PermitAll
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@Operation(summary = "提交活动报名", description = "免登录；有企业微信身份时按成员账号去重，否则按手机号去重")
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public CommonResult<Long> signup(@Valid @RequestBody WxCpSignupPublicReqVO reqVO) {
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return success(activityService.createSignup(reqVO));
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}
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/**
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* 报名是否开放：活动需为已发布，且处于报名时间窗口内
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*/
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private boolean isSignupOpen(WxCpActivityDO activity) {
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if (!WxCpActivityStatusEnum.PUBLISHED.getStatus().equals(activity.getStatus())) {
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return false;
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}
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LocalDateTime now = LocalDateTime.now();
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if (activity.getSignupStartTime() != null && now.isBefore(activity.getSignupStartTime())) {
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return false;
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}
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return activity.getSignupEndTime() == null || !now.isAfter(activity.getSignupEndTime());
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}
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private String renderSignupPage(WxCpActivityDO activity, String wxUserId) {
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StringBuilder sb = new StringBuilder(2048);
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sb.append("<!DOCTYPE html><html lang=\"zh-CN\"><head><meta charset=\"UTF-8\">")
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.append("<meta name=\"viewport\" content=\"width=device-width,initial-scale=1,maximum-scale=1\">")
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.append("<title>").append(esc(activity.getTitle())).append("</title>")
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.append("<style>")
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.append("*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}")
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.append("body{margin:0;padding:16px;font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;")
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.append("background:#f5f6f8;color:#1f2329;font-size:15px;line-height:1.6}")
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.append(".card{background:#fff;border-radius:12px;padding:18px;margin-bottom:12px;box-shadow:0 1px 4px rgba(0,0,0,.06)}")
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.append("h1{font-size:19px;margin:0 0 14px;font-weight:600;word-break:break-all}")
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.append(".meta{color:#646a73;font-size:14px}")
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.append(".meta div{margin-bottom:6px;display:flex}")
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.append(".meta b{color:#1f2329;font-weight:500;flex:0 0 72px}")
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.append(".meta span{flex:1;word-break:break-all}")
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.append(".desc{white-space:pre-wrap;word-break:break-word;color:#3f444d}")
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.append("label{display:block;font-size:14px;color:#646a73;margin:14px 0 6px}")
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.append("input,textarea{width:100%;padding:11px 12px;border:1px solid #dee0e3;border-radius:8px;font-size:15px;outline:none;background:#fff;font-family:inherit}")
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.append("input:focus,textarea:focus{border-color:#3370ff}")
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.append("textarea{resize:vertical;min-height:84px}")
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.append(".file-row{margin-top:8px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}")
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.append(".file-btn{display:inline-block;padding:8px 14px;border:1px dashed #c9cdd4;border-radius:8px;color:#3370ff;font-size:14px;background:#fff}")
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.append(".file-list{margin-top:8px;font-size:13px;color:#646a73;word-break:break-all}")
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.append(".file-list div{padding:3px 0}")
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.append("button{width:100%;margin-top:22px;padding:13px;border:0;border-radius:8px;background:#3370ff;color:#fff;font-size:16px;font-weight:500}")
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.append("button:disabled{background:#a8bdf5}")
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.append(".tip{margin-top:12px;font-size:12px;color:#8f959e;text-align:center}")
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.append(".toast{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.78);color:#fff;")
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.append("padding:11px 20px;border-radius:8px;font-size:14px;display:none;max-width:80%;text-align:center;z-index:99}")
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.append("</style></head><body>");
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// 活动信息
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sb.append("<div class=\"card\"><h1>").append(esc(activity.getTitle())).append("</h1>")
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.append("<div class=\"meta\">");
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String timeText = formatTimeRange(activity.getStartTime(), activity.getEndTime());
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if (StrUtil.isNotBlank(timeText)) {
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sb.append("<div><b>活动时间</b><span>").append(esc(timeText)).append("</span></div>");
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}
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if (StrUtil.isNotBlank(activity.getLocation())) {
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sb.append("<div><b>活动地点</b><span>").append(esc(activity.getLocation())).append("</span></div>");
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}
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String signupText = formatTimeRange(activity.getSignupStartTime(), activity.getSignupEndTime());
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if (StrUtil.isNotBlank(signupText)) {
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sb.append("<div><b>报名时间</b><span>").append(esc(signupText)).append("</span></div>");
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}
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sb.append("<div><b>已报名</b><span>").append(activity.getSignupCount() != null ? activity.getSignupCount() : 0);
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if (activity.getSignupLimit() != null && activity.getSignupLimit() > 0) {
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sb.append(" / ").append(activity.getSignupLimit()).append(" 人");
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} else {
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sb.append(" 人（不限名额）");
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}
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sb.append("</span></div></div>");
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if (StrUtil.isNotBlank(activity.getContent())) {
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sb.append("<div class=\"desc\">").append(esc(activity.getContent())).append("</div>");
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}
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sb.append("</div>");
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// 报名表单
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sb.append("<div class=\"card\">")
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.append("<label>姓名 <span style=\"color:#f53f3f\">*</span></label>")
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.append("<input id=\"name\" type=\"text\" placeholder=\"请输入姓名\" maxlength=\"64\" autocomplete=\"name\">")
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.append("<label>手机号 <span style=\"color:#f53f3f\">*</span></label>")
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.append("<input id=\"mobile\" type=\"tel\" inputmode=\"numeric\" placeholder=\"请输入 11 位手机号\" maxlength=\"11\" autocomplete=\"tel\">")
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.append("<label>参与说明</label>")
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.append("<textarea id=\"content\" placeholder=\"可填写备注、需求或其他说明（选填）\" maxlength=\"1000\"></textarea>")
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.append("<label>图片 / 附件</label>")
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.append("<div class=\"file-row\">")
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.append("<label class=\"file-btn\" for=\"files\">+ 选择图片或文件</label>")
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.append("<input id=\"files\" type=\"file\" multiple accept=\"image/*,.pdf,.doc,.docx,.xls,.xlsx,.txt\" style=\"display:none\">")
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.append("</div><div class=\"file-list\" id=\"fileList\"></div>")
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.append("<button id=\"submit\">提交报名</button>")
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.append("<div class=\"tip\">提交后如需修改，请联系活动发起人</div>")
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.append("</div><div class=\"toast\" id=\"toast\"></div>");
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// 提交逻辑：先把文件传到 system 的公共上传接口拿到 blobId，再带上 blobId 提交报名
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sb.append("<script>(function(){")
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.append("var AID=").append(activity.getId()).append(";")
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.append("var WXUID=").append(wxUserId == null ? "null" : "\"" + esc(jsStr(wxUserId)) + "\"").append(";")
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.append("var btn=document.getElementById('submit'),toast=document.getElementById('toast');")
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.append("var fileInput=document.getElementById('files'),fileList=document.getElementById('fileList');")
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.append("function tip(m){toast.textContent=m;toast.style.display='block';setTimeout(function(){toast.style.display='none'},2200)}")
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.append("function reset(){btn.disabled=false;btn.textContent='提交报名'}")
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.append("fileInput.addEventListener('change',function(){")
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.append("var fs=fileInput.files,h='';")
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.append("for(var i=0;i<fs.length;i++){h+='<div>· '+fs[i].name+'</div>'}")
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.append("fileList.innerHTML=h})")
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.append("btn.addEventListener('click',function(){")
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.append("var n=document.getElementById('name').value.trim();")
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.append("var m=document.getElementById('mobile').value.trim();")
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.append("var c=document.getElementById('content').value.trim();")
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.append("if(!n){tip('请填写姓名');return}")
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.append("if(!/^1[3-9]\\d{9}$/.test(m)){tip('手机号格式不正确');return}")
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.append("btn.disabled=true;")
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.append("var fs=fileInput.files;")
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.append("var upload=Promise.resolve([]);")
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.append("if(fs.length>0){")
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.append("btn.textContent='上传附件中...';")
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.append("var fd=new FormData();")
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.append("for(var i=0;i<fs.length;i++){fd.append('files',fs[i])}")
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.append("upload=fetch('/admin-api/system/storage-blob/public-upload',{method:'POST',body:fd})")
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.append(".then(function(r){return r.json()})")
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.append(".then(function(r){")
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.append("if(r.code!==0){throw new Error(r.msg||'附件上传失败')}")
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.append("return (r.data||[]).map(function(b){return b.id})})}")
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.append("upload.then(function(blobIds){")
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.append("btn.textContent='提交中...';")
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.append("var body={activityId:AID,name:n,mobile:m};")
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.append("if(c){body.content=c}")
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.append("if(WXUID){body.wxUserId=WXUID}")
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.append("if(blobIds.length>0){body.blobIds=blobIds}")
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.append("return fetch('signup',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify(body)})")
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.append(".then(function(r){return r.json()})")
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.append(".then(function(r){")
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.append("if(r.code===0){tip('报名成功');btn.textContent='已报名';}")
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.append("else{tip(r.msg||'报名失败');reset()}})}")
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.append(".catch(function(e){tip((e&&e.message)||'网络异常，请稍后重试');reset()})")
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.append("})})();</script></body></html>");
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return sb.toString();
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}
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private String renderMessagePage(String title, String desc) {
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return "<!DOCTYPE html><html lang=\"zh-CN\"><head><meta charset=\"UTF-8\">"
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+ "<meta name=\"viewport\" content=\"width=device-width,initial-scale=1\">"
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+ "<title>" + esc(title) + "</title><style>"
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+ "body{margin:0;padding:60px 24px;font-family:-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;"
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+ "background:#f5f6f8;color:#1f2329;text-align:center}"
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+ "h1{font-size:18px;font-weight:600;margin:0 0 12px}"
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+ "p{color:#646a73;font-size:14px;line-height:1.7;margin:0}"
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+ "</style></head><body><h1>" + esc(title) + "</h1><p>" + esc(desc) + "</p></body></html>";
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}
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private String formatTimeRange(LocalDateTime start, LocalDateTime end) {
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if (start == null && end == null) {
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return "";
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}
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if (start == null) {
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return "截止 " + end.format(TIME_FMT);
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}
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if (end == null) {
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return start.format(TIME_FMT) + " 起";
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}
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return start.format(TIME_FMT) + " ~ " + end.format(TIME_FMT);
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}
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/**
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* HTML 转义，避免活动标题/内容里的特殊字符破坏页面或造成 XSS
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*/
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private String esc(String raw) {
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if (raw == null) {
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return "";
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}
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return raw.replace("&", "&")
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.replace("<", "<")
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.replace(">", ">")
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.replace("\"", """)
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.replace("'", "'");
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}
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/**
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* JS 字符串字面量转义（在 esc 基础上再处理换行与反斜杠）
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*/
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private String jsStr(String raw) {
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return raw.replace("\\", "\\\\")
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.replace("\n", "\\n")
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.replace("\r", "\\r");
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}
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}
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