ChatGPT 是一种以相似谈天的方法进行交互的人工智能网络,从名字上看起来像是另一个“谈天机器人”,但实际上已经远超谈天的领域了,当要求它编写一些代码时,成果持平震撼,它能够写出一些意想不到的衔接代码,而这些代码关于开发者很有启示。
开端要求它运用 JavaScript 编写一个散列(HASH)暗码的函数。详细一点就是编写一个 JavaScript 函数,它接受暗码的字符串输入并输出散列(HASH)暗码。
function hashPassword(password) {
return crypto.createHash("sha256").update(password).digest("hex");
}
然后逐步提高编码的难度,完成一些愈加符合项目开发的需求,所以输入:
编写一个在请求正文中包括用户名和暗码的 Express 路由处理程序,对暗码进行哈希处理,在 MySQL 数据库中查找现有用户并查看哈希后的暗码是否匹配。
const express = require("express");
const bcrypt = require("bcrypt");
const mysql = require("mysql");
// 创立 MySQL 数据库衔接
const db = mysql.createConnection({
host: "localhost",
user: "root",
password: "",
database: "mydb",
});
// 衔接数据库
db.connect((err) => {
if (err) {
throw err;
}
console.log("MySQL connected...");
});
// 创立 express app
const app = express();
// 路由 handler
app.post("/login", (req, res) => {
// get username and password from request body
const { username, password } = req.body;
// HASH 暗码
const hashedPassword = bcrypt.hashSync(password, 10);
// 在数据库中查找用户称号
let sql = `SELECT * FROM users WHERE username = '${username}'`;
let query = db.query(sql, (err, result) => {
if (err) throw err;
// 查看暗码是否匹配
if (bcrypt.compareSync(result[0].password, hashedPassword)) {
res.send("Login successful!");
} else {
res.send("Incorrect username or password");
}
});
});
这段 JavaScript 代码基本是没什么问题的,能够直接复制到项目中进行调试。接下来运用其他言语来试一下:
用C言语编写一个链表结构的代码,具有依据“标识”属性在链表中添加、删去和查找节点的功能。
#include <stdio.h>
#include <stdlib.h>
// Structure for a node in the linked list
typedef struct Node {
int identity; // Property of the node
struct Node *next; // Pointer to the next node
} Node;
// Function to add a node to the linked list
void addNode(Node **head, int identity) {
// Create a new node
Node *newNode = (Node*)malloc(sizeof(Node));
// Set the identity of the new node
newNode->identity = identity;
// Set the next pointer of the new node to point to the head
newNode->next = *head;
// Set the head to point to the new node
*head = newNode;
}
// Function to delete a node from the linked list
void deleteNode(Node **head, int identity) {
// Create a temporary node to traverse the linked list
Node *temp = *head;
// Check if the head is the node to be deleted
if (temp != NULL && temp->identity == identity) {
// Set the head to point to the next node
*head = temp->next;
// Free the memory allocated for the node
free(temp);
return;
}
// Traverse the linked list to find the node to be deleted
while (temp != NULL && temp->identity != identity) {
// Set the previous node to the current node
Node *prev = temp;
// Set the current node to the next node
temp = temp->next;
}
// Check if the node was found
if (temp == NULL) return;
// Set the previous node to point to the next node
prev->next = temp->next;
// Free the memory allocated for the node
free(temp);
}
// Function to find a node in the linked list
Node* findNode(Node *head, int identity) {
// Create a temporary node to traverse the linked list
Node *temp = head;
// Traverse the linked list to find the node
while (temp != NULL) {
// Check if the current node has the given identity
if (temp->identity == identity) {
return temp;
}
// Set the current node to the next node
temp = temp->next;
}
// Return NULL if the node was not found
return NULL;
}
int main() {
// Create a head node for the linked list
Node *head = NULL;
// Add some nodes to the linked list
addNode(&head, 1);
addNode(&head, 2);
addNode(&head, 3);
// Find a node in the linked list
Node *node = findNode(head, 2);
// Print the identity of the node
printf("Node with identity 2: %d\n", node->identity);
// Delete a node from the linked list
deleteNode(&head, 2);
// Find the deleted node in the linked list
node = findNode(head, 2);
// Check if the node was deleted
if (node == NULL) {
printf("Node with identity 2 was deleted\n");
}
return 0;
}
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