JavaScript根据json生成html表格的示例代码

htmlKit = {
 _tags: [], html: [], 
 _createAttrs: function (attrs) {
 var attrStr = [];
 for (var key in attrs) {
 if (!attrs.hasOwnProperty(key)) continue;
 attrStr.push(key + "=" + attrs[key] + "")
 }
 return attrStr.join(" ")
 }, 
 _createTag: function (tag, attrs, isStart) {
 if (isStart) {
 return "<" + tag + " " + this._createAttrs(attrs) + ">"
 } else {
 return "</" + tag + ">"
 }
 }, 
 start: function (tag, attrs) {
 this._tags.push(tag);
 this.html.push(this._createTag(tag, attrs, true))
 }, 
 end: function () {
 this.html.push(this._createTag(this._tags.pop(), null, false))
 }, 
 tag: function (tag, attr, text) {
 this.html.push(this._createTag(tag, attr, true) + text + this._createTag(tag, null, false))
 }, 
 create: function () {
 return this.html.join("")
 }
};

function json2Html(data) {
 var hk = htmlKit;
 hk.start("table", {"cellpadding": "10", "border": "1"});
 hk.start("thead");
 hk.start("tr");
 data["heads"].forEach(function (head) {
 hk.tag("th", {"bgcolor": "AntiqueWhite"}, head)
 });
 hk.end();
 hk.end();
 hk.start("tbody");
 data["data"].forEach(function (dataList, i) {
 dataList.forEach(function (_data) {
 hk.start("tr");
 data["dataKeys"][i].forEach(function (key) {
 var rowsAndCol = key.split(":");
 if (rowsAndCol.length === 1) {
 hk.tag("td", null, _data[rowsAndCol[0]])
 } else if (rowsAndCol.length === 3) {
 hk.tag("td", {"rowspan": rowsAndCol[0], "colspan": rowsAndCol[1]}, _data[rowsAndCol[2]])
 }
 });
 hk.end()
 })
 });
 hk.end();
 hk.end();
 return hk.create()
}

var data = [
 {
 "chinese": 80,
 "mathematics": 89,
 "english": 90
 }
];

var total = 0;
data.forEach(function (value) {
 for (key in value) {
 total += value[key];
 }
});

var htmlMetadata = {
 "heads": ["语文", "数学", "英语"],
 "dataKeys": [["chinese", "mathematics", "english"], ["text","1:2:total"]], // rowspan:colspan:value
 "data": [data, [{"text": "合计","total": total}]]
};

var html = json2Html(htmlMetadata);

console.info(html);