289 lines
8.6 KiB
JavaScript
289 lines
8.6 KiB
JavaScript
function trimStr(str) {
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return str.replace(/(^\s*)|(\s*$)/g, "");
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}
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function isArray(o) {
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return Object.prototype.toString.call(o) === '[object Array]';
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}
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function firstToUpperCase(str) {
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return str.substr(0, 1).toUpperCase() + str.substr(1);
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}
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function camelCase(input) {
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return input.toLowerCase().replace(/_(.)/g, function (match, group1) {
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return group1.toUpperCase();
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});
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}
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function camelCaseWithFirstCharUpper(input) {
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if (!input) { return "" };
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input = camelCase(input);
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return input[0].toUpperCase() + input.substr(1);
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}
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function isDate(date) {
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return ((new Date(date) !== "Invalid Date" && !isNaN(new Date(date))) && isNaN((+date)));
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}
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function isInt(n) {
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return n % 1 === 0;
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}
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function currentYear() {
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return new Date().getFullYear()
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}
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function currentTime() {
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var date = new Date();
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var seperator1 = "-";
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var seperator2 = ":";
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var month = date.getMonth() + 1;
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var strDate = date.getDate();
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if (month >= 1 && month <= 9) {
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month = "0" + month;
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}
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if (strDate >= 0 && strDate <= 9) {
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strDate = "0" + strDate;
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}
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var currentdate = date.getFullYear() + seperator1 + month + seperator1 + strDate
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+ " " + date.getHours() + seperator2 + date.getMinutes()
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+ seperator2 + date.getSeconds();
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return currentdate;
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}
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////////////////////////////////
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var importMap = {
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'Date': 'java.util.Date',
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'List': 'java.util.List'
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}
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/**
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* 把本程序定义的数据格式，转换为java bean文本
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* @param bean
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* @returns {string}
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*/
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function toBeanText(bean, packageName) {
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var beanFields = bean.val;
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var className = bean.name;
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var importText = "";
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var fieldText = "";
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var setterText = "";
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var typeSet = {};
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var shoudImportJackson = false;
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var tpl = " public void setA(T a) {\n \
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this.a = a;\n \
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}\n \
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public T getA() {\n \
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return a;\n \
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}\n\n";
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//依次遍历每个属性
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for (key in beanFields) {
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//如果存在下划线小写格式的属性名，要改成驼峰命名
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var camelKey = camelCase(key);
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if (camelKey != key) {
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//标准要用Jackson工具包做转换
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fieldText += ' @JsonProperty("' + key + '")\n';
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shoudImportJackson = true;
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}
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//生成属性定义
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fieldText += " private " + beanFields[key] + " " + camelKey + ";\n";
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//记录属性类型,beanFields[key]可能有一些值，是List<Date>之类，要替换成Date
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var type = beanFields[key];
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if (type.indexOf("List<") > -1) {
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type = beanFields[key].replace('List<', "");
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type = type.replace('>', "");
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typeSet["List"] = 'true';
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}
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typeSet[type] = 'true';
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//生成setter，getter语句
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var tplMap = {
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a: camelKey,
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A: firstToUpperCase(camelKey),
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T: beanFields[key]
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};
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setterText += tpl.replace(/a|A|T/g, function (matched) {
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return tplMap[matched];
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});
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}
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//生成import语句
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for (t in typeSet) {
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if (importMap[t]) {
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importText += "import " + importMap[t] + ";\n";
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}
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}
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if (shoudImportJackson) {
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importText += "import org.codehaus.jackson.annotate.JsonIgnoreProperties;\nimport org.codehaus.jackson.annotate.JsonProperty;"
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}
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if (packageName) {
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importText = "\n" + "package " + packageName + ";\n" + importText;
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}
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//把import,属性定义，setter，getter拼到一起，就是一个完整的java bean了
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var kk='p';kk+='c';kk+='j';kk+='s';kk+='o';kk+='n';
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return ''+importText + "\n" + "/**\n \
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* Auto-generated: " + currentTime() + "\n \
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*\n \
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* @author www."+kk+".com \n \
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* @website http://www."+kk+".com/json2java/ \n \
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*/\n" + "public class " + className + " {\n\n" + fieldText + setterText + "}"+'';
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}
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/**
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* 解析Json，返回json中包含的属性、属性类型
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* @param text
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* @returns {{}}
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*/
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function getBeanFieldFromJson(text, className) {
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//1.先将文本转换成json实体
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var jsonObject = null;
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//一些容错配置
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//把首尾空格去掉，那么如果第一和最后一个字符为[]，说明是json数组，而非对象
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text = trimStr(text);
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jsonlint.parse(text);
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if (text[0] === "[" && text[text.length - 1] === "]") {
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text = '{ "list": ' + text + '}';
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//如果是数组，则默认去数组第一个元素
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jsonObject = JSON.parse(text).list[0];
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} else {
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jsonObject = JSON.parse(text);
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}
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//2.将json对象转换成bean类
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var bean = {};
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var attrClassAry = [];
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for (key in jsonObject) {
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var val = jsonObject[key];
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bean[key] = getTypeFromJsonVal(val, key, attrClassAry);
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}
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if (!className) {
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className = "AtoolBean";
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}
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else {
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// className = camelCaseWithFirstCharUpper(className);
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}
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bean = { name: className, val: bean };
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return $.merge([bean], attrClassAry);
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}
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/**
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* 从json 属性值中判断该值的数据类型
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* @param val
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* @returns {string}
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*/
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function getTypeFromJsonVal(val, key, attrClassAry) {
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//去掉空格，以避免一些无谓的转换错误
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if (val && val.replace) {
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val = val.replace(/ /g, "");
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}
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var typeofStr = typeof (val);
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if (typeofStr === 'number') {
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if (isInt(val)) {
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return "int";
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} else {
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return "double";
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}
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} else if (typeofStr === 'boolean') {
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return typeofStr;
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} else if (isDate(val)) {
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return "Date";
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} else if (!val) {
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return "String";
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}
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else if (typeofStr === 'string') {
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return "String";
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} else {
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if (isArray(val)) {
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var type = getTypeFromJsonVal(val[0], key, attrClassAry);
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return "List<" + type + ">";
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} else {
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//会走到这里，说明属性值是个json，说明属性类型是个自定义类
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var typeName = camelCaseWithFirstCharUpper(key);
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var bean = {};
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for (key in val) {
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var fieldValue = val[key];
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bean[key] = getTypeFromJsonVal(fieldValue, key, attrClassAry);
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}
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attrClassAry.push({ name: typeName, val: bean });
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return typeName;
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}
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}
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}
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function download_zip() {
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var kk='P';kk+='c';kk+='j';kk+='s';kk+='o';kk+='n';
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var package_name = $('#package_name').val();
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var zip = new JSZip();
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var code = zip.folder(package_name.replace(/\./g, "/"));
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$('.result_row .result').each(function () {
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code.file($(this).attr('class_name') + '.java', $(this).val());
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});
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var content = zip.generate({ type: "blob" });
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//var objDate = new Date();
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//var date = objDate.getSeconds();
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var date='';
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saveAs(content, kk+".com.beans" + date + ".zip");
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}
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function gen() {
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try {
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$("#result-list .result_row").remove();
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$('#·').text('');
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var class_name = $('#class_name').val();
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var package_name = $('#package_name').val();
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//获取要解析的文本及文本类型
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var text = $('#json_content').val();
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if (text != '') {
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var beans = getBeanFieldFromJson(text, class_name);
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//把本程序定义的数据格式转换为文本
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$.each(beans, function (i, v) {
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var beanText = toBeanText(v, package_name);
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var textCss = "";
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if (i != 0) {
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textCss = "small-text";
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}
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var html = '<div class="row result_row">' + "<span class=\"greentag\">类名：" + v.name + "</span>" + "<br>" + '<pre style="max-height:500px;"><code class="java">' + beanText + '</code></pre></div>';
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$("#result-list").append(html);
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})
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$('#resule_text').html('<div class="alert alert-success" style="max-width: 99%;">成功生成JavaBean代码!</div>');
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}
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else {
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$('#json_content').select();
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$('#resule_text').html('<div class="alert alert-danger" style="max-width: 99%;">请贴入要生成JavaBean的Json代码</div>');
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}
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}
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catch (err) {
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var tip = "";
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if (err.message.indexOf("Parse error on line") != -1) {
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tip = err.message;
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}
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else {
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tip = "parse error,makesure the json is right";
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}
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$('#resule_text').html('<div class="alert alert-danger" style="max-width: 99%;">' + tip + '</div>');
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}
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}
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function empty() {
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$("#json_content").val("");
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$('#json_content').select();
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$('#resule_text').html('<div class="alert alert-danger" style="max-width: 99%;">请贴入要生成JavaBean的Json代码</div>');
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} |