layui select 多选

layui.selMeltiple = function (a) {
    a(".layui-form select[multiple=multiple]").each(function (k, e) {
        var f = "", d = "", c = "";
        a(this).find("option").each(function (h, b) {
            if (0 >= h || null != a(this).attr("value") && "" !== a(this).attr("value")) {
                h = a(this).attr("value");
                b = a(this).text();
                var g = a(this).attr("img"), e = a(this).is(":selected");
                f += '<dd lay-value="' + h + '" class="' + (e ? "layui-this" : "") + '">';
                f += '<i style="display:inline-block;width:16px;height:16px;border:1px solid #e6e6e6;vertical-align:middle;margin-right:5px;line-height:19px;text-align:center;">' +
                    (e ? "&radic;" : "") + "</i>";
                null != g && "" != g && (g = eval("(" + g + ")"), null != g.src && "" != g.src && (f += '<img src="' + g.src + '" height="16" width="16" style="margin-right:5px;vertical-align:middle;' + g.css + '"/>'));
                f += b;
                f += "</dd>";
                e && (d += "," + h, c += "," + b)
            }
        });
        "" != d && (d = d.substring(1));
        "" != c && (c = c.substring(1));
        a(this).siblings("div.layui-form-select").find("dl").html(f);
        a(this).before('<input type="hidden" class="txtSel" value="' + d + '">');
        a(this).removeAttr("name");
        a(this).siblings("div.layui-form-select").find(".layui-select-title input").val(c).attr("lay-verify",
            a(this).attr("lay-verify"));
        a(this).siblings("div.layui-form-select").find("dd").each(function (e, b) {
            a(this).click(function () {
                c = d = "";
                a(this).hasClass("layui-this") ? a(this).removeClass("layui-this").find("i").text("") : a(this).addClass("layui-this").find("i").html("&radic;");
                a(this).parent().find("dd.layui-this").each(function () {
                    d += "," + a(this).attr("lay-value");
                    c += "," + a(this).text().substring(1)
                });
                "" != d && (d = d.substring(1));
                "" != c && (c = c.substring(1));
                a(this).parent().parent().siblings("input.txtSel").val(d);
                a(this).parent().siblings(".layui-select-title").find("input.layui-input").val(c);
                var b = {};
                b.elem = a(this).parent().parent().siblings("select");
                b.value = a(this).attr("lay-value");
                selMeltipleSelect(b)
            })
        })
    })
};
// layui.selImg = function (a, k) {
//     null == k && (k = "select");
//     a("" + k).each(function () {
//         if ("multiple" != a(this).attr("multiple")) {
//             var e = a(this).find("option"), f = 0;
//             null != e && 0 < e.length && ("" == a(e[0]).attr("value") || null == a(e[0]).attr("value")) && (f = 1);
//             for (var d = a(this).siblings("div.layui-form-select").find("dd"), c = 0, h = d.length; c < h; c++) {
//                 var b = a(e[f]).attr("img");
//                 null != b && "" != b && (b = eval("(" + b + ")"), null != b.src && "" != b.src && a(d[c]).prepend('<img src="' + b.src + '" height="16" width="16" style="margin-right:5px;vertical-align:middle;' +
//                     b.css + '"/>'));
//                 f++
//             }
//         }
//     })
// };

function selMeltipleSelect(a) {
};

<select multiple="multiple"></select><script>

form.render();　　layui.selMeltiple($);

</script>编辑反射回值直接在select下面的option加selected

原文链接: https://www.cnblogs.com/shkj/p/8953627.html

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