qxzSy/yfwlw/templates/static/js/usermanage/home_set.js

if ($('.content').height() > 750) {
    $('#iframe-main', parent.document).css('height', $('.content').height() + 20)
} else {
    $('#iframe-main', parent.document).css('height', '750px')
}

function submit_info() {

    var header = $("#header").val();
    var footer = $("#footer").val();
    var group = $("#group").val();
    // if (footer == '') {
    //     layer.alert("footer不能为空！");
    //     return false;
    // }
    console.log(footer)
    console.log(group)

    $.ajax({
        type: "post",
        url: "home_set",
        data: {
            'req':'footer',
            header: header,
            footer: footer,
            group:group
        },
        dataType: "json",
        success: function (data) {
            if (data == 0) {
                layer.msg("修改成功！");
                window.location.href = '/systemmanage_role'
            } else if (data == 1) {
                layer.msg("修改失败！");
            }

        }
    });
    return false;
}


// 	file 文件
//  divId div id
//  imgId 图片id
//  fileId 文件id
//  width 图片宽
//  height 图片高
function previewImage(file, divId, imgId, fileId, width, height) {
    var div = document.getElementById(divId);
    if (file.files && file.files[0]) {
        if (file.files[0].size / 1024 / 1024 < 4) {
            div.innerHTML = '<img id=' + imgId + ' onclick=$("#' + fileId + '").click()>';
            var img = document.getElementById(imgId);
            img.onload = function () {
                // var rect = clacImgZoomParam(width, height, img.offsetWidth, img.offsetHeight);
                img.width = width;
                img.height = height;
                // img.style.marginTop = rect.top+'px';
            }
            var reader = new FileReader();
            reader.onload = function (evt) {
                img.src = evt.target.result;
                // $(window.parent.document).find('.nav-user-photo').attr('src',evt.target.result);
            }
            reader.readAsDataURL(file.files[0]);
            // $('#userPhoto').submit();
            send_logo();
        } else {
            $(file).val('');
            layer.alert("图片过大！");
        }
    } else {//兼容IE
        var sFilter = 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale,src="';
        file.select();
        if (document.selection != undefined) {
            var src = document.selection.createRange().text;
            div.innerHTML = '<img id=' + imgId + '>';
            var img = document.getElementById(imgId);
            img.filters.item('DXImageTransform.Microsoft.AlphaImageLoader').src = src;
            var rect = clacImgZoomParam(width, height, img.offsetWidth, img.offsetHeight);
            status = ('rect:' + rect.top + ',' + rect.left + ',' + rect.width + ',' + rect.height);
            div.innerHTML = "<div id=divhead style='width:" + rect.width + "px;height:" + rect.height + "px;" + sFilter + src + "\"'></div>";
        }
    }
}
function clacImgZoomParam(maxWidth, maxHeight, width, height) {
    var param = { top: 0, left: 0, width: width, height: height };
    if (width > maxWidth || height > maxHeight) {
        var rateWidth = width / maxWidth;
        var rateHeight = height / maxHeight;

        if (rateWidth > rateHeight) {
            param.width = maxWidth;
            param.height = Math.round(height / rateWidth);
        } else {
            param.width = Math.round(width / rateHeight);
            param.height = maxHeight;
        }
    }
    param.left = Math.round((maxWidth - param.width) / 2);
    param.top = Math.round((maxHeight - param.height) / 2);
    return param;
}
// 上传图片
function send_logo() {
    var formData = new FormData($("#userPhoto")[0]);
    $.ajax({
        type: 'post',
        url: 'home_set',
        data: formData,
        contentType: false,
        processData: false,
        success: function (data) {
            if (data == 0) {
                $(window.parent.document).find('.fa fa-leaf').attr('src', $('#viewPhoto').prop('src'));
            }
            else { layer.msg("上传失败！"); }
        }
    });
}