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<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8" />
<title>生成</title>
</head>
<body>
<h2>
根据JSON文件生成，请打开控制台
<small>
<sub>
（需要服务器环境访问，以http形式）
</sub>
</small>
</h2>
<hr />
<p>请选择 <b>zoning-*.json</b> 文件，生成 <b>SQLite</b></p>
<input type="file" name="name" id="txtFileForSqlite" />
<hr />
<p>请选择 <b>zoning-*.json</b> 文件，生成 <b>CSV</b></p>
<input type="file" name="name" id="txtFileForCsv" />
<p>注意：导出编码为utf-8，Excel打开中文会乱码，需要转换编码为ANSI 或 指定BOM，用记事本或notepad++ 等</p>
<script src="https://lib.baomitu.com/FileSaver.js/2014-11-29/FileSaver.min.js"></script>
<script src="https://lib.baomitu.com/jszip/3.1.4/jszip.min.js"></script>
<script>
var zoningdb = {
worker: new Worker("worker.sql.js"),
execute: function (sql) {
zoningdb.worker.postMessage({ action: 'exec', sql: sql.join(';') });
},
level: "",
change: function (id) {
document.getElementById(id).onchange = function () {
var file = this.files[0];
if (!file) {
return false;
}
file.name.replace(/\d/, function (x) { zoningdb.level = "-" + x });
var reader = new FileReader();
reader.onload = function () {
console.log('json parse ...');
var json = JSON.parse(reader.result);
zoningdb.createtb();
console.log('write db ...');
zoningdb.writedb(json, null, 1);
console.log('down db ...');
zoningdb.downdb();
};
reader.readAsText(file);
}
},
createtb: function () {
var sql = [];
sql.push("DROP TABLE IF EXISTS zoning");
sql.push("CREATE TABLE zoning(id text, text text, pid text)");
zoningdb.execute(sql);
},
writedb: function (json, id) {
id = id || "0";
if (id in json) {
var arr = json[id], sql = [], child = [];
for (var i = 0; i < arr.length; i++) {
var item = arr[i];
sql.push("INSERT INTO zoning VALUES ('" + item.id + "','" + item.text + "','" + id + "')")
if (item.id in json) {
child.push(item.id);
}
}
zoningdb.execute(sql);
for (var j = 0; j < child.length; j++) {
zoningdb.writedb(json, child[j]);
}
}
},
downdb: function () {
zoningdb.defer = setInterval(function () {
console.log('wait ...');
}, 1000 * 3);
zoningdb.worker.onmessage = function (event) {
var blob = new Blob([event.data.buffer]);
if (blob.size > 1000) {
clearInterval(zoningdb.defer);
saveAs(blob, "zoning" + zoningdb.level + ".db");
}
};
zoningdb.worker.postMessage({ action: 'export' });
},
init: function () {
zoningdb.worker.onerror = function (e) {
console.log(e);
};
zoningdb.worker.postMessage({ action: 'open' });
}
}
var zoningcsv = {
change: function (id) {
document.getElementById(id).onchange = function () {
var file = this.files[0];
if (!file) {
return false;
}
file.name.replace(/\d/, function (x) { zoningcsv.level = "-" + x });
var reader = new FileReader();
reader.onload = function () {
console.log('json parse ...');
var json = JSON.parse(reader.result);
zoningcsv.data.push("id,text,pid");
zoningcsv.writecsv(json, null);
zoningcsv.downcsv(zoningcsv.data);
};
reader.readAsText(file);
}
},
level: "",
data: [],
downcsv: function (data) {
var zip = new JSZip();
zip.file("zoning" + zoningcsv.level + ".csv", data.join('\r\n'));
zip.generateAsync({ type: "blob" }).then(function (content) {
saveAs(content, "zoning" + zoningcsv.level + ".zip");
});
},
writecsv: function (json, id) {
id = id || "0";
if (id in json) {
var arr = json[id], sql = [], child = [];
for (var i = 0; i < arr.length; i++) {
var item = arr[i];
var arri = [];
arri.push(item.id);
arri.push(item.text);
arri.push(id);
zoningcsv.data.push(arri.join(','));
if (item.id in json) {
child.push(item.id);
}
}
for (var j = 0; j < child.length; j++) {
zoningcsv.writecsv(json, child[j]);
}
}
}
}
zoningdb.change('txtFileForSqlite');
zoningdb.init();
zoningcsv.change('txtFileForCsv');
</script>
</body>
</html>