网络图片转base64
时间: 2023-11-08 11:05:42 浏览: 45
要将网络图片转换为Base64编码,您可以使用Python中的`base64`模块。下面是一个示例代码:
```python
import requests
import base64
def image_to_base64(url):
response = requests.get(url)
image_data = response.content
base64_data = base64.b64encode(image_data)
return base64_data.decode('utf-8')
# 示例用法
image_url = 'https://www.example.com/image.jpg'
base64_data = image_to_base64(image_url)
print(base64_data)
```
相关问题
js将网络图片转base64
可以使用以下代码将网络图片转换为 base64:
```javascript
function getImageAsBase64(url) {
return new Promise((resolve, reject) => {
const img = new Image();
img.crossOrigin = "Anonymous";
img.onload = () => {
const canvas = document.createElement('canvas');
canvas.width = img.width;
canvas.height = img.height;
const ctx = canvas.getContext('2d');
ctx.drawImage(img, 0, 0);
const dataURL = canvas.toDataURL('image/png');
resolve(dataURL);
};
img.onerror = reject;
img.src = url;
});
}
// 使用示例
const imageUrl = 'https://example.com/image.jpg';
getImageAsBase64(imageUrl)
.then(base64 => {
console.log(base64);
})
.catch(error => {
console.error(error);
});
```
上述代码通过创建一个图片对象,设置其crossOrigin属性为"Anonymous"以允许跨域请求,并在图片加载完成后使用canvas将图片绘制到画布上,并将画布内容转换为base64格式的数据URL。
vue将网络图片转base64
在Vue中,您可以使用fetch()函数从网络上获取图像,并将其转换为Base64字符串以在页面上显示。以下是一个示例代码:
```html
<template>
<div>
<img v-if="imageData" :src="imageData" />
</div>
</template>
<script>
export default {
data() {
return {
imageData: null
};
},
mounted() {
this.fetchImage();
},
methods: {
async fetchImage() {
const response = await fetch("https://example.com/image.jpg");
const blob = await response.blob();
const reader = new FileReader();
reader.onloadend = () => {
this.imageData = reader.result;
};
reader.readAsDataURL(blob);
}
}
};
</script>
```
在这个示例中,组件在挂载时调用了fetchImage()函数来从“https://example.com/image.jpg”获取图像并将其转换为Base64字符串。一旦转换完成,组件会将Base64字符串储存在`imageData`变量中,并且在页面中显示图片。\[1\]
#### 引用[.reference_title]
- *1* *3* [vue中如何把网络上的图片通过base64显示出来](https://blog.csdn.net/qq_39648029/article/details/130385008)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^koosearch_v1,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [vue 图片转base64格式的方法](https://blog.csdn.net/miao_yf/article/details/128110788)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^koosearch_v1,239^v3^insert_chatgpt"}} ] [.reference_item]
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