//判断是否含有emoji图标
isEmojiCharacterInString(substring) {
for ( vari = 0; i < substring.length; i++) {
var hs =substring.charCodeAt(i);
if (0xd800 <=hs && hs <=0xdbff) {
if (substring.length >1) {
var ls =substring.charCodeAt(i +1);
var uc = ((hs -0xd800) * 0x400) + (ls -0xdc00) + 0x10000;
if (0x1d000 <=uc && uc <=0x1f77f) {
return true;
}
}
} else if (substring.length >1) {
var ls =substring.charCodeAt(i +1);
if (ls ==0x20e3) {
return true;
}
} else {
if (0x2100 <=hs && hs <=0x27ff) {
return true;
} else if (0x2B05 <=hs && hs <=0x2b07) {
return true;
} else if (0x2934 <=hs && hs <=0x2935) {
return true;
} else if (0x3297 <=hs && hs <=0x3299) {
return true;
} else if (hs ==0xa9 || hs ==0xae || hs ==0x303d || hs ==0x3030
|| hs == 0x2b55 ||hs == 0x2b1c ||hs == 0x2b1b
|| hs == 0x2b50) {
return true;
}
}
}
}