证件照检测+自定义制作（有水印）

# Bash / zsh，cURL 7.76+；Windows 可使用 Git Bash 或 WSL。
curl --fail-with-body --max-time 60 --request POST 'https://api.zjzapi.com/idcardv5/diy' \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data-urlencode 'key=YOUR_APP_KEY' \
  --data-urlencode 'item_id=6000' \
  --data-urlencode 'image=BASE64_ENCODED_IMAGE' \
  --data-urlencode 'width_px=295' \
  --data-urlencode 'height_px=413' \
  --data-urlencode 'color=white' \
  --data-urlencode 'dpi=300'

// Java 11+，保存为 Main.java，编译运行：javac -encoding UTF-8 Main.java && java Main
import java.net.URI;
import java.net.URLEncoder;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.nio.charset.StandardCharsets;
import java.time.Duration;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.stream.Collectors;

public class Main {
    public static void main(String[] args) throws Exception {
        Map<String, String> form = new LinkedHashMap<>();
        form.put("key", "YOUR_APP_KEY");
        form.put("item_id", "6000");
        form.put("image", "BASE64_ENCODED_IMAGE");
        form.put("width_px", "295");
        form.put("height_px", "413");
        form.put("color", "white");
        form.put("dpi", "300");

        String body = form.entrySet().stream()
            .map(entry -> URLEncoder.encode(entry.getKey(), StandardCharsets.UTF_8)
                + "=" + URLEncoder.encode(entry.getValue(), StandardCharsets.UTF_8))
            .collect(Collectors.joining("&"));
        HttpClient client = HttpClient.newBuilder()
            .connectTimeout(Duration.ofSeconds(10)).build();
        HttpRequest request = HttpRequest.newBuilder(URI.create("https://api.zjzapi.com/idcardv5/diy"))
            .timeout(Duration.ofSeconds(60))
            .header("Content-Type", "application/x-www-form-urlencoded")
            .POST(HttpRequest.BodyPublishers.ofString(body))
            .build();
        HttpResponse<String> response = client.send(
            request, HttpResponse.BodyHandlers.ofString(StandardCharsets.UTF_8));
        if (response.statusCode() < 200 || response.statusCode() >= 300) {
            throw new IllegalStateException("HTTP " + response.statusCode());
        }
        // HTTP 成功不代表业务成功，还需检查响应 JSON 中的 code。
        System.out.println(response.body());
    }
}

# Python 3.8+，需先安装 requests：pip install requests
import requests

response = requests.post(
    "https://api.zjzapi.com/idcardv5/diy",
    headers={"Content-Type": "application/x-www-form-urlencoded"},
    data={
        "key": "YOUR_APP_KEY",
        "item_id": "6000",
        "image": "BASE64_ENCODED_IMAGE",
        "width_px": "295",
        "height_px": "413",
        "color": "white",
        "dpi": "300",
    },
    timeout=(10, 60),
)
response.raise_for_status()
# 按接口文档检查业务 code，再读取 data。
print(response.json())

<?php
// PHP 7.2+，需启用 cURL 扩展。
// 使用 http_build_query 编码表单，不能直接向 CURLOPT_POSTFIELDS 传数组。
$form = [
    'key' => 'YOUR_APP_KEY',
    'item_id' => '6000',
    'image' => 'BASE64_ENCODED_IMAGE',
    'width_px' => '295',
    'height_px' => '413',
    'color' => 'white',
    'dpi' => '300',
];
$curl = curl_init('https://api.zjzapi.com/idcardv5/diy');
curl_setopt_array($curl, [
    CURLOPT_POST => true,
    CURLOPT_POSTFIELDS => http_build_query($form),
    CURLOPT_HTTPHEADER => ['Content-Type: application/x-www-form-urlencoded'],
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_CONNECTTIMEOUT => 10,
    CURLOPT_TIMEOUT => 60,
]);
$result = curl_exec($curl);
$error = curl_error($curl);
$status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
curl_close($curl);

if ($result === false) {
    throw new RuntimeException($error);
}
if ($status_code < 200 || $status_code >= 300) {
    throw new RuntimeException('HTTP ' . $status_code);
}
// 按接口文档检查响应 JSON 中的业务 code，再读取 data。
echo $result;

// Go 1.16+，仅使用标准库。
package main

import (
    "fmt"
    "io"
    "net/http"
    "net/url"
    "strings"
    "time"
)

func main() {
    form := url.Values{
        "key": {"YOUR_APP_KEY"},
        "item_id": {"6000"},
        "image": {"BASE64_ENCODED_IMAGE"},
        "width_px": {"295"},
        "height_px": {"413"},
        "color": {"white"},
        "dpi": {"300"},
    }
    request, err := http.NewRequest("POST", "https://api.zjzapi.com/idcardv5/diy", strings.NewReader(form.Encode()))
    if err != nil {
        panic(err)
    }
    request.Header.Set("Content-Type", "application/x-www-form-urlencoded")
    client := &http.Client{Timeout: 60 * time.Second}
    response, err := client.Do(request)
    if err != nil {
        panic(err)
    }
    defer response.Body.Close()
    if response.StatusCode < 200 || response.StatusCode >= 300 {
        panic(fmt.Errorf("HTTP %d", response.StatusCode))
    }
    result, err := io.ReadAll(response.Body)
    if err != nil {
        panic(err)
    }
    // 按接口文档检查响应 JSON 中的业务 code，再读取 data。
    fmt.Println(string(result))
}

// Node.js 18+，保存为 request.mjs；仅在服务端运行，勿将凭据放进浏览器代码。
const form = new URLSearchParams([
  ["key", "YOUR_APP_KEY"],
  ["item_id", "6000"],
  ["image", "BASE64_ENCODED_IMAGE"],
  ["width_px", "295"],
  ["height_px", "413"],
  ["color", "white"],
  ["dpi", "300"],
]);

const response = await fetch('https://api.zjzapi.com/idcardv5/diy', {
  method: 'POST',
  headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
  body: form,
  signal: AbortSignal.timeout(60000),
});
if (!response.ok) {
  throw new Error('HTTP ' + response.status);
}
// 按接口文档检查业务 code，再读取 data。
console.log(await response.json());

// C# 10 / .NET 6+，放入控制台项目的 Program.cs。
using System;
using System.Collections.Generic;
using System.Net.Http;

using var client = new HttpClient { Timeout = TimeSpan.FromSeconds(60) };
using var content = new FormUrlEncodedContent(new[]
{
    new KeyValuePair<string, string>("key", "YOUR_APP_KEY"),
    new KeyValuePair<string, string>("item_id", "6000"),
    new KeyValuePair<string, string>("image", "BASE64_ENCODED_IMAGE"),
    new KeyValuePair<string, string>("width_px", "295"),
    new KeyValuePair<string, string>("height_px", "413"),
    new KeyValuePair<string, string>("color", "white"),
    new KeyValuePair<string, string>("dpi", "300"),
});
// FormUrlEncodedContent 自动设置 application/x-www-form-urlencoded 并编码字段。
using var response = await client.PostAsync("https://api.zjzapi.com/idcardv5/diy", content);
response.EnsureSuccessStatusCode();
// 按接口文档检查响应 JSON 中的业务 code，再读取 data。
Console.WriteLine(await response.Content.ReadAsStringAsync());