本文整理匯總了TypeScript中leveldown類的典型用法代碼示例。如果您正苦於以下問題:TypeScript leveldown類的具體用法?TypeScript leveldown怎麽用?TypeScript leveldown使用的例子?那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了leveldown類的4個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: leveldown
import * as leveldown from "leveldown";
let db = leveldown("db1");
db.open((err) => {});
db.open({createIfMissing: true}, (err) => {});
db.put("key", "value", (err) => {});
db.put(Buffer.from("key"), Buffer.from("value"), (err) => {});
db.put("key", "value", {sync: true}, (err) => {});
db.get("key", {asBuffer: false}, (error, val) => {
console.log(val.toUpperCase());
});
db.get("key", {fillCache: true}, (error, val) => {
console.log(val.readUInt32BE(0));
});
db.get("key", (error, val) => {
console.log(val.readUInt32BE(0));
});
db.del("key");
db.del("key", (error) => {});
db.del("key", {sync: true}, (error) => {});
db.batch([{
type: "put", key: "k", value: "v"
}, {
type: "del", key: "k"
}], (error) => {});
示例2: constructor
constructor() {
super();
this.db = levelup(leveldown("./mydb"));
}
示例3: leveldown
import * as leveldown from "leveldown";
const db = leveldown("db1");
db.open((err) => {});
db.open({createIfMissing: true}, (err) => {});
db.put("key", "value", (err) => {});
db.put(Buffer.from("key"), Buffer.from("value"), (err) => {});
db.put("key", "value", {sync: true}, (err) => {});
db.get("key", {asBuffer: false}, (error, val) => {
console.log(val.toUpperCase());
});
db.get("key", {fillCache: true}, (error, val) => {
console.log(val.readUInt32BE(0));
});
db.get("key", (error, val) => {
console.log(val.readUInt32BE(0));
});
db.del("key");
db.del("key", (error) => {});
db.del("key", {sync: true}, (error) => {});
db.batch([{
type: "put", key: "k", value: "v"
}, {
type: "del", key: "k"
}], (error) => {});
示例4: constructor
constructor(storePath: string) {
this.db = levelup(leveldown(storePath));
this._cachedGet = cacheLevelDBGet(this.db);
}