var table = "<table cellspacing=2px>";
for (var i = 1; i <= 4; i++) {
table += "<tr>";
for (var j = 1; j <= 3; j++) {
if (i == 1) {
table += "<td colspan=3 align='center'><h2>美图欣赏</h2></td>";
break;
}
if (i == 2) {
table += "<td align='center'><b>美图" + (i + j - 2) + "</b> <input type='image' src='image/" + (i + j - 2) + ".jpg' class='img'/></td>";
}
if (i == 3) {
table += "<td align='center'><b>美图" + (i + j) + "</b> <input type='image' src='image/" + (i + j) + ".jpg' class='img'/></td>";
}
if (i == 4) {
table += "<td align='center'><b>美图" + (i + j + 2) + "</b> <input type='image' src='image/" + (i + j + 2) + ".jpg' class='img'/></td>";
}
}
table += "</tr>";
}
table += "</table>";
document.write(table);
效果如下