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mysql <5.7 query result transfer to json
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
<title>mysql query result to json</title> | |
<style> | |
.mysql-query-result-input, .mysql-query-result-input-wrap { | |
width: 600px; | |
height: 500px; | |
float: left; | |
} | |
.transfer-result-input { | |
width: 600px; | |
height: 500px; | |
float: left; | |
margin-left: 20px; | |
} | |
.transfer-btn { | |
width: 606px; | |
height: 30px; | |
margin-top: 10px; | |
} | |
</style> | |
</head> | |
<body> | |
<div class="mysql-query-result-input-wrap"> | |
<textarea id="js-mysql-query-result-input" class="mysql-query-result-input"> | |
+--------+-------------------------+-------------------------------+ | |
| id | history_id | key | | |
+--------+-------------------------+-------------------------------+ | |
| 1 | 7320 | sdf | | |
| 2 | 12176 | cc | | |
| 3 | 9470 | bb | | |
| 4 | 22018 | dd | | |
| 5 | 14869 | ee | | |
| 6 | 12209 | ff | | |
| 7 | 10143 | gg | | |
+--------+-------------------------+-------------------------------+ | |
</textarea> | |
<button id="js-transfer-btn" class="transfer-btn">transfer to json</button> | |
</div> | |
<textarea id="js-transfer-result-input" class="transfer-result-input"></textarea> | |
<script> | |
const mysqlQueryResultInput = document.getElementById('js-mysql-query-result-input'); | |
const transferResultInput = document.getElementById('js-transfer-result-input'); | |
const transferBtn = document.getElementById('js-transfer-btn'); | |
const splitPartReg = /\|\s(.+)\s\|\n/g; | |
const arrayItemTrim = function(arr) { | |
return arr.map((item) => { | |
return item.trim(); | |
}); | |
} | |
transferBtn.addEventListener('click', function() { | |
const mysqlQueryResult = mysqlQueryResultInput.value; | |
const output = []; | |
let keys; | |
let matchResult; | |
let index = 1; | |
while((matchResult = splitPartReg.exec(mysqlQueryResult)) !== null) { | |
matchResult = arrayItemTrim(matchResult[1].split('|')); | |
if (!keys) { | |
keys = matchResult; | |
continue; | |
} | |
let lineResult = {}; | |
keys.forEach((item, index) => { | |
lineResult[item] = matchResult[index]; | |
}); | |
output.push(lineResult); | |
} | |
console.log('output', output); | |
transferResultInput.value = JSON.stringify(output, null, 2); | |
}); | |
</script> | |
</body> | |
</html> |
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