'+dt.month+dt.day+' ('+dt.weekday+')
'});html+=''}
body.innerHTML=html;openM('archiveModal');
});
document.getElementById('archiveBody').addEventListener('click',function(e){
var item=e.target.closest('.archive-item');
if(item){currentDate=item.dataset.date;aiExpanded=false;currentExpandedId=null;updateDateDisplay();renderNews();closeM('archiveModal');window.scrollTo({top:0,behavior:'smooth'})}
});
document.getElementById('modalOverlay').addEventListener('click',function(){
['cityModal','archiveModal','myModal'].forEach(function(id){document.getElementById(id).classList.remove('show')});
closeSelectModal();
this.classList.remove('show');
});
// ========== 底部按钮 ==========
document.getElementById('posterBtn').addEventListener('click',function(){openSelectModal('poster')});
document.getElementById('copyBtn').addEventListener('click',function(){openSelectModal('copy')});
// ========== 分享按钮 - 优先Web Share API ==========
document.getElementById('shareBtn').addEventListener('click',function(){
trackStats('share',0);
var url='https://wordma.ai8.news';
var title='单词妈妈·每日教育资讯';
var text='AI重塑学习力，让科学用脑流行起来！';
// 优先尝试 Web Share API (微信中可拉起分享面板)
if(navigator.share){
navigator.share({title:title,text:text,url:url}).then(function(){
showToast('分享成功');
}).catch(function(err){
// 用户取消或不支持，静默降级
copyToClipboard(url);
});
}else{
// 降级为复制链接
copyToClipboard(url);
}
});
function copyToClipboard(text){
navigator.clipboard.writeText(text).then(function(){
showToast('链接已复制，快去分享吧！');
}).catch(function(){
showToast('复制失败，请长按复制');
});
}
// ========== QR码生成 ==========
function generateQRCode(text,size){
var qr=[];
var typeNumber=4;
var moduleCount=17+typeNumber*4;
qr=Array(moduleCount).fill(null).map(function(){return Array(moduleCount).fill(false)});
addFinderPattern(qr,0,0);
addFinderPattern(qr,moduleCount-7,0);
addFinderPattern(qr,0,moduleCount-7);
addAlignmentPattern(qr,moduleCount);
for(var i=8;i海报预览
'+
''+
''+
''+
'
'+
'';
document.body.appendChild(modal);
document.getElementById('closePreviewBtn').onclick=function(){
modal.remove();
URL.revokeObjectURL(url);
};
document.getElementById('savePosterBtn').onclick=function(){
var a=document.createElement('a');
a.href=url;
a.download='单词妈妈教育早报_'+currentDate+'.png';
a.click();
showToast('海报已保存');
trackStats('poster',0);
};
document.getElementById('sharePosterBtn').onclick=function(){
if(navigator.share && navigator.canShare){
var file=new File([blob],'单词妈妈教育早报.png',{type:'image/png'});
if(navigator.canShare({files:[file]})){
navigator.share({files:[file],title:'单词妈妈·每日教育资讯',text:'AI重塑学习力，让科学用脑流行起来！'}).then(function(){
showToast('分享成功');
}).catch(function(){
var a=document.createElement('a');
a.href=url;
a.download='单词妈妈教育早报_'+currentDate+'.png';
a.click();
showToast('已保存图片，请手动分享');
});
}else{
copyToClipboard('https://wordma.ai8.news');
}
}else{
copyToClipboard('https://wordma.ai8.news');
showToast('已复制链接，请手动分享');
}
};
}
// ========== 海报生成（带回调版本）==========
function generatePosterForSelectedWithCallback(selectedIds, onSuccess, onError){
var items=allNews[currentDate]||[];
var selected=items.filter(function(i){return selectedIds.indexOf(i.id)>=0});
if(selected.length===0){showToast('请选择内容');if(onError)onError();return}
var d=fmtDate(currentDate);
var city=currentCity||currentProvince||'全国';
var daily=allNews[currentDate+'_meta'];
var W=540;
var LOGO_H=50;
var HEADER_H=60;
var ITEM_H=45;
var QR_H=100;
var FOOTER_H=80;
var QUOTE_H=50;
var totalItems=selected.length;
var H=LOGO_H+20+50+totalItems*ITEM_H+QUOTE_H+QR_H+FOOTER_H;
if(H>3600)H=3600;
var canvas=document.createElement('canvas');
canvas.width=W;canvas.height=H;
var ctx=canvas.getContext('2d');
var logoImg=new Image();
logoImg.src='/logo.jpg';
logoImg.onload=function(){
var logoW=LOGO_H*(logoImg.width/logoImg.height);
var logoX=(W-logoW)/2;
ctx.drawImage(logoImg,logoX,5,logoW,LOGO_H);
var grad=ctx.createLinearGradient(0,LOGO_H+10,W,LOGO_H+HEADER_H);
grad.addColorStop(0,'#FF6B2B');grad.addColorStop(1,'#FF8F5E');
ctx.fillStyle=grad;ctx.fillRect(0,LOGO_H+10,W,HEADER_H);
ctx.fillStyle='#fff';ctx.font='bold 16px sans-serif';
ctx.fillText('单词妈妈',15,LOGO_H+38);
ctx.font='11px sans-serif';
ctx.fillText(city+' | '+d.month+d.day+' '+d.weekday,W-160,LOGO_H+38);
var y=LOGO_H+HEADER_H+20;
ctx.fillStyle='#f5f5f5';ctx.fillRect(0,y,W,H-y-QUOTE_H-QR_H-FOOTER_H);
var catGroups={};
selected.forEach(function(item){
var cat=item.category;
if(!catGroups[cat])catGroups[cat]=[];
catGroups[cat].push(item);
});
CAT_ORDER.forEach(function(cat){
var catItems=catGroups[cat];
if(!catItems||catItems.length===0)return;
var catInfo=CAT[cat];
ctx.fillStyle='#fff';ctx.font='bold 12px sans-serif';
ctx.fillText(catInfo.emoji+' '+catInfo.name+' ('+catItems.length+'条)',15,y+12);
y+=28;
catItems.forEach(function(item,idx){
ctx.fillStyle=catInfo.color;
ctx.beginPath();ctx.arc(18,y+7,5,0,Math.PI*2);ctx.fill();
ctx.fillStyle='#fff';ctx.font='9px sans-serif';ctx.textAlign='center';
ctx.fillText(idx+1,18,y+10);ctx.textAlign='left';
ctx.fillStyle='#333';ctx.font='12px sans-serif';
var title=item.summary.substring(0,28)+(item.summary.length>28?'...':'');
ctx.fillText(title,30,y+11);
y+=ITEM_H;
});
y+=4;
});
var quote=daily&&daily.dailyQuote?'"'+daily.dailyQuote+'"':'"最好的教育，是和孩子一起成长"';
y+=5;
ctx.fillStyle='#666';ctx.font='italic 12px sans-serif';ctx.textAlign='center';
ctx.fillText(quote,W/2,y+12);ctx.textAlign='left';
y+=35;
try{
var qrCanvas=generateQRCode('https://wordma.ai8.news',80);
ctx.drawImage(qrCanvas,W/2-40,y);
ctx.fillStyle='#666';ctx.font='10px sans-serif';ctx.textAlign='center';
ctx.fillText('扫码查看更多教育新闻',W/2,y+90);
}catch(e){}
ctx.textAlign='left';
y=H-FOOTER_H;
var grad2=ctx.createLinearGradient(0,y,W,y+FOOTER_H);
grad2.addColorStop(0,'#FF6B2B');grad2.addColorStop(1,'#FF8F5E');
ctx.fillStyle=grad2;ctx.fillRect(0,y,W,FOOTER_H);
ctx.fillStyle='#fff';ctx.font='bold 14px sans-serif';ctx.textAlign='center';
ctx.fillText('AI重塑学习力，让科学用脑流行起来！',W/2,y+30);
ctx.fillStyle='rgba(255,255,255,0.8)';ctx.font='12px sans-serif';
ctx.fillText('wordma.ai8.news',W/2,y+52);ctx.textAlign='left';
savePosterWithCallback(canvas, onSuccess, onError);
};
logoImg.onerror=function(){
generatePosterWithoutLogoWithCallback(selected,d,city,daily,W,H,onSuccess,onError);
};
}
function savePosterWithCallback(canvas, onSuccess, onError){
canvas.toBlob(function(blob){
if(blob && onSuccess)onSuccess(blob);
},'image/png');
}
function generatePosterWithoutLogoWithCallback(selected,d,city,daily,W,H,onSuccess,onError){
var canvas=document.createElement('canvas');
canvas.width=W;canvas.height=H;
var ctx=canvas.getContext('2d');
var LOGO_H=0;
var HEADER_H=60;
var ITEM_H=45;
var QR_H=100;
var FOOTER_H=80;
var QUOTE_H=50;
var totalItems=selected.length;
var H=LOGO_H+HEADER_H+30+totalItems*ITEM_H+QUOTE_H+QR_H+FOOTER_H;
if(H>3600)H=3600;
canvas.height=H;
var grad=ctx.createLinearGradient(0,0,W,HEADER_H);
grad.addColorStop(0,'#FF6B2B');grad.addColorStop(1,'#FF8F5E');
ctx.fillStyle=grad;ctx.fillRect(0,0,W,HEADER_H);
ctx.fillStyle='#fff';ctx.font='bold 20px sans-serif';
ctx.fillText('单词妈妈·每日教育资讯',15,40);
ctx.font='12px sans-serif';
ctx.fillText(city+' | '+d.month+d.day+' '+d.weekday,15,58);
var y=HEADER_H+15;
ctx.fillStyle='#f5f5f5';ctx.fillRect(0,y,W,H-y-QUOTE_H-QR_H-FOOTER_H);
var catGroups={};
selected.forEach(function(item){
var cat=item.category;
if(!catGroups[cat])catGroups[cat]=[];
catGroups[cat].push(item);
});
CAT_ORDER.forEach(function(cat){
var catItems=catGroups[cat];
if(!catItems||catItems.length===0)return;
var catInfo=CAT[cat];
ctx.fillStyle='#fff';ctx.font='bold 13px sans-serif';
ctx.fillText(catInfo.emoji+' '+catInfo.name+' ('+catItems.length+'条)',15,y+12);
y+=28;
catItems.forEach(function(item,idx){
ctx.fillStyle=catInfo.color;
ctx.beginPath();ctx.arc(18,y+7,5,0,Math.PI*2);ctx.fill();
ctx.fillStyle='#fff';ctx.font='9px sans-serif';ctx.textAlign='center';
ctx.fillText(idx+1,18,y+10);ctx.textAlign='left';
ctx.fillStyle='#333';ctx.font='12px sans-serif';
var title=item.summary.substring(0,30)+(item.summary.length>30?'...':'');
ctx.fillText(title,30,y+11);
y+=ITEM_H;
});
y+=4;
});
var quote=daily&&daily.dailyQuote?'"'+daily.dailyQuote+'"':'"最好的教育，是和孩子一起成长"';
y+=5;
ctx.fillStyle='#666';ctx.font='italic 12px sans-serif';ctx.textAlign='center';
ctx.fillText(quote,W/2,y+12);ctx.textAlign='left';
y+=35;
try{
var qrCanvas=generateQRCode('https://wordma.ai8.news',80);
ctx.drawImage(qrCanvas,W/2-40,y);
ctx.fillStyle='#666';ctx.font='10px sans-serif';ctx.textAlign='center';
ctx.fillText('扫码查看更多教育新闻',W/2,y+90);
}catch(e){}
ctx.textAlign='left';
y=H-FOOTER_H;
var grad2=ctx.createLinearGradient(0,y,W,y+FOOTER_H);
grad2.addColorStop(0,'#FF6B2B');grad2.addColorStop(1,'#FF8F5E');
ctx.fillStyle=grad2;ctx.fillRect(0,y,W,FOOTER_H);
ctx.fillStyle='#fff';ctx.font='bold 14px sans-serif';ctx.textAlign='center';
ctx.fillText('AI重塑学习力，让科学用脑流行起来！',W/2,y+30);
ctx.fillStyle='rgba(255,255,255,0.8)';ctx.font='12px sans-serif';
ctx.fillText('wordma.ai8.news',W/2,y+52);ctx.textAlign='left';
savePosterWithCallback(canvas, onSuccess, onError);
}