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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<title>Hello FireStore</title> | |
<style type="text/css"> | |
button{width:100px; height:30px; margin:5px;} | |
#msg{ display:none; border:1px solid gray; margin:10px; padding:10px; width:600px;} | |
</style> | |
</head> | |
<body> | |
<h1>Hello FireStore</h1> | |
<form> | |
<button id="addData" type="button">追加</button><br> | |
<button id="readData" type="button">参照</button><br> | |
<button id="updateData" type="button">更新</button><br> | |
<button id="removeData" type="button">削除</button><br> | |
</form> | |
<div id="msg"></div> | |
<script src="https://www.gstatic.com/firebasejs/5.8.1/firebase-app.js"></script> | |
<script src="https://www.gstatic.com/firebasejs/5.8.1/firebase-firestore.js"></script> | |
<script src="/js/config.js"></script> | |
<script> | |
// Firestoreのインスタンス作成 | |
var db = firebase.firestore(); | |
var LIST = []; //ID保管用 | |
/** | |
* データの追加 | |
**/ | |
document.querySelector("#addData").addEventListener("click", ()=>{ | |
db.collection("users").add({ | |
name: "マイメロ", | |
age: 27 | |
}) | |
.then((doc) => { | |
LIST.push(doc.id); | |
showMessage(`追加に成功しました (${doc.id})`); | |
}) | |
.catch((error) => { | |
showMessage(`追加に失敗しました (${error})`); | |
}); | |
}); | |
/** | |
* データの参照 | |
**/ | |
document.querySelector("#readData").addEventListener("click", ()=>{ | |
db.collection("users").get().then((querySnapshot) => { | |
var buff = []; | |
var html = "<ul>"; | |
querySnapshot.forEach((doc) => { | |
var data = doc.data(); | |
html += `<li>${doc.id} => ${data.name}, ${data.age}</li>`; | |
buff.push(doc.id); | |
}); | |
html += "</ul>"; | |
LIST = buff; | |
showMessage(html); | |
}) | |
.catch((error)=>{ | |
showMessage(`データの取得に失敗しました (${error})`); | |
}); | |
}); | |
/** | |
* データの更新 | |
**/ | |
document.querySelector("#updateData").addEventListener("click", ()=>{ | |
db.collection("users").doc(LIST.slice(0,1)[0]).set({ | |
name: "ポムポムプリン", | |
age: 32 | |
}) | |
.then(()=>{ | |
showMessage(`更新に成功しました`); | |
}) | |
.catch((error)=>{ | |
showMessage(`更新に失敗しました (${error})`); | |
}); | |
}); | |
/** | |
* データの削除 | |
**/ | |
document.querySelector("#removeData").addEventListener("click", ()=>{ | |
// リストにない場合は何もしない | |
if(LIST.length === 0) | |
return(true); | |
db.collection("users").doc(LIST.pop()).delete().then(() => { | |
showMessage("削除しました"); | |
}) | |
.catch((error) => { | |
showMessage(`削除に失敗しました (${error})`); | |
}); | |
}); | |
/** | |
* 実行結果の表示 | |
**/ | |
function showMessage(str){ | |
var msg = document.querySelector("#msg"); | |
msg.innerHTML = str; | |
msg.style.display = "block"; | |
} | |
</script> | |
</body> | |
</html> |
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