“文字注音”在微信、头条、抖音、支付宝、QQ中搜索“文字注音”即可获得。
一、功能
汉字转拼音，支持图片识别文字，支持结果转图下载。该款小程序能够轻松将文字注音后输出，无需授权，无需注册，即来即用。你还可以用它来识别图片中的文字后注音，或者随时拍照后识别文字再注音。同时支持注音完成后复制拼音，支持将结果保存成图片下载到手机本地。欢迎扫描下面的各平台得小程序码来尝试一下。
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二、平台小程序码
直接去搜索名字。
三、核心源码：
原文链接：https://www.i847.cn/article/3033.html
<template>
<view class="content" style="width:100%;position: absolute;">
<view class="uni-textarea" style="width: 95%;margin: 0 auto;">
<textarea v-if="status==0" :value="value" @input="valueChange" :style="{'height':textareaHeight+'px'}"
placeholder="请在这里输入或者粘贴文字，支持上传图片自动识别文字，支持中文注音。" maxlength="-1" adjust-position="{{keyUp}}"
@focus="focusTextarea" @blur="blurTextarea" />
<view v-if="status==1" :style="{'height':resultHeight+'px','width': '100%','overflow-y': 'scroll'}" id="result">
<view class="uni-row" style="padding: 9px 2%;font-size: 14px;text-align: center;">
<view v-for="(item,i) in list" v-if="item.pinyin!='enter'" v-bind:key="i" class="uni-flex uni-column" style="float: left;margin: 3px;">
<view class="flex-item" style="min-width: 1px;">{{item.pinyin}}</view>
<view class="flex-item">{{item.value}}</view>
</view>
<view v-else style="clear: both;"></view>
</view>
</view>
</view>
<view style="position: fixed;bottom: 15px;width: 100%;">
<view v-if="status==0" style="width: 92%;margin: 0 auto;margin-bottom: 10px;font-size: 16px;color: #6495ED;">
<text style="cursor: pointer;" @tap="fromImg('album')">图片识别</text>
<text style="cursor: pointer;margin-left: 10px;" @tap="fromImg('camera')">拍照识别</text>
<text style="font-size: 12px;color: #B2B2B2;">（上传图片不宜过大）</text>
</view>
<view class="uni-flex uni-row" style="width: 92%;margin: 0 auto;">
<view v-if="status==0" class="flex-item" style="width: 70%;">
<button type="primary" style="width: 99%;float: left;" @tap="zhuyin()">注音</button>
</view>
<view v-if="status==1" class="flex-item" style="width: 35%;">
<button type="primary" style="width: 99%;float: left;" @tap="copy()">复制</button>
</view>
<view v-if="status==1" class="flex-item" style="width: 35%;">
<button type="primary" style="width: 99%;float: right;" :loading="down" :disabled="down" @tap="save()">下载</button>
</view>
<view class="flex-item" style="width: 30%;">
<button type="default" style="width: 90%;float: right;" @tap="reset()">清空</button>
</view>
<view style="clear: both;"></view>
</view>
</view>
<canvas canvas-id="canvas" :style="{'z-index': '-1','position': 'absolute','top': '0px','left': '0px','width': canvasWidth + 'px','height': canvasHeight + 'px'}" v-if="showCanvas"></canvas>
</view>
</template>
<script>
var bopomofo = require('../../static/bopomofo.min.js');
export default {
data() {
return {
value: '',
status: 0,
list:[] ,
textareaHeight: 0,
resultHeight: 0,
baiduToken: {},
showCanvas: false,
down:false,
canvasWidth:0,
canvasHeight:0,
pixelRatio :1,
textareaStaticHeight:0,
canvasStaticHeight:0,
keyUp:false,
}
},
onLoad() {
this.reset();
},
onReady(){
var _that = this;
uni.getSystemInfo({
success: function (res) {
var windowHeight = res.windowHeight;
_that.textareaHeight = windowHeight - 115;
_that.textareaStaticHeight = windowHeight - 115;
_that.resultHeight = windowHeight - 70;
_that.canvasWidth = res.windowWidth;
_that.canvasHeight = res.windowHeight * 10;
_that.canvasStaticHeight = res.windowHeight * 10;
_that.pixelRatio = res.pixelRatio;
}
});
uni.getStorage({
key: 'baiduToken',
success: function (res) {
_that.baiduToken = res.data;
var now = new Date().getTime();
if(!_that.baiduToken || now > _that.baiduToken.expires){
_that.getBaiduToken();
}
},
fail:function(e) {
_that.getBaiduToken();
}
});
uni.showShareMenu();
},
methods: {
focusTextarea:function(e){
this.textareaHeight = 100;
},
blurTextarea:function(e){
this.textareaHeight = this.textareaStaticHeight;
},
save:function(){
var _that = this;
_that.down = true;
//先设置canvas得高度
_that.canvasHeight = _that.canvasStaticHeight;
_that.showCanvas = true;
setTimeout(function(){
var ctx = uni.createCanvasContext("canvas",_that);
ctx.rect(0, 0, _that.canvasWidth, _that.canvasHeight);
ctx.setFillStyle('white');
ctx.fill();
ctx.setFillStyle('black');
// 字体大小
ctx.setFontSize(14);
var fontHeight = 14;
// 宽度
var width = _that.canvasWidth;
// 横向间隔
var transverse = 9;
// 纵向小间隔
var portraitSmall = 4;
// 纵向大间隔
var portraitBig = 7;
// 外间距
var padding = 20;
// 横向距离累计
var transverseCumulative = padding;
// 纵向距离累计
var portraitCumulative = padding;
var lineHeight = portraitSmall + portraitBig + (fontHeight*2);
for(var i=0;i<_that.list.length;i++){
// canvas高度变化
if(i==0){
_that.canvasHeight = portraitCumulative + lineHeight;
setTimeout(function(){},10);
}
var item = _that.list[i];
var metrics = ctx.measureText(item.pinyin);
var tempX = transverseCumulative + transverse + metrics.width;
if(tempX > (width-padding) || item.pinyin=="enter"){
transverseCumulative = padding;
portraitCumulative = portraitCumulative + lineHeight;
_that.canvasHeight = portraitCumulative + lineHeight;
setTimeout(function(){},10);
}
if(item.pinyin!="enter"){
var x1;
if(transverseCumulative==padding){
x1 = transverseCumulative;
}else{
x1 = transverseCumulative + transverse;
}
var y1 = portraitCumulative;
ctx.fillText(item.pinyin, x1, y1);
var x2 = x1;
var y2 = y1 + portraitSmall + fontHeight;
ctx.fillText(item.value,x2, y2);
transverseCumulative = x1 + metrics.width;
}
}
ctx.draw();
setTimeout(function(){
uni.canvasToTempFilePath({
width: _that.canvasWidth,
height: _that.canvasHeight,
destWidth: _that.canvasWidth * _that.pixelRatio,
destHeight: _that.canvasHeight * _that.pixelRatio,
canvasId: 'canvas',
success: function(res) {
uni.saveImageToPhotosAlbum({
filePath: res.tempFilePath,
success:function(){
uni.showToast({
title:"保存成功"
})
},
complete:function(){
_that.showCanvas = false;
_that.down = false;
}
});
},
fail:function(e){
console.log(e);
_that.showCanvas = false;
_that.down = false;
}
})
},100);
},100);
},
getBaiduToken:function(){
var _that = this;
var now = new Date().getTime();
uni.request({
url: 'https://aip.baidubce.com/oauth/2.0/token',
method: 'GET',
data: {
grant_type: 'client_credentials',
client_id: '',
client_secret: '',
},
success: (res) => {
_that.baiduToken = {
access_token:res.data.access_token,
expires:(res.data.expires_in * 1000 + now - 24 * 60 * 60 * 1000)
}
uni.setStorage({
key: 'baiduToken',
data: _that.baiduToken,
success: function () {
}
});
}
});
},
fromImg:function(type){
var _that = this;
uni.chooseImage({
count: 1,
sourceType: [type],
success: function (res) {
uni.getFileSystemManager().readFile({
filePath: res.tempFilePaths[0],
encoding: 'base64',
success: res => {
var base64 = res.data;
uni.showLoading({
title: '上传中...',
mask:true
});
uni.request({
url: 'https://aip.baidubce.com/rest/2.0/ocr/v1/general_basic',
method: 'POST',
header: {
'Content-Type': 'application/x-www-form-urlencoded'
},
data: {
access_token: _that.baiduToken.access_token,
image: encodeURI(base64),
detect_direction: true
},
success: (res) => {
uni.hideLoading();
if(res.data){
var value = '';
for(var i=0;i<res.data.words_result_num;i++){
value += res.data.words_result[i].words + "\n";
}
_that.value = value;
}
}
});
},fail: (e) => {
console.log(e);
}
})
}
});
},
copy:function(){
if(this.list.length>0){
var data = "";
for(var i=0;i<this.list.length;i++){
if(this.list[i].pinyin==" "){
data += this.list[i].value;
}else if(this.list[i].pinyin=="enter"){
data += "\n";
}else{
data += this.list[i].pinyin + " ";
}
}
uni.setClipboardData({
data: data,
success: function () {
uni.showToast({
title: '复制成功',
duration: 2000
});
}
});
}
},
zhuyin:function(){
var _that = this;
if(this.value!=''){
// 敏感词过滤
uni.request({
url: 'https://aip.baidubce.com/rest/2.0/solution/v1/text_censor/v2/user_defined',
method: 'POST',
header: {
'Content-Type': 'application/x-www-form-urlencoded'
},
data: {
access_token: _that.baiduToken.access_token,
text: _that.value,
},
success: (res) => {
if(res.data.conclusionType == 1){
_that.zhuyinDo();
}else{
var checkList = res.data.data;
var content = "";
for(var i=0;i<checkList.length;i++){
var checkItem = checkList[i];
content += (i+1) + "、" + checkItem.msg.replace("不合规","的字词") + "\n";
}
uni.showModal({
title: "请删除后重试",
content: content,
showCancel: false
})
console.log(res.data);
}
}
});
}
},
zhuyinDo:function(){
var arr = this.value.split('');
for(var i=0;i<arr.length;i++){
var cur = arr[i];
if(cur=="\n" || cur=="↵"){
this.list.push({
value: "enter",
pinyin: "enter"
});
}
if(this.isChinese(cur)){
var pinyin = bopomofo.pinyin(cur);
if(pinyin==cur || pinyin=='null'){
pinyin=" ";
}
var tmp = {
value: cur,
pinyin: pinyin
}
this.list.push(tmp);
}
}
this.status = 1;
this.value = "";
},
reset:function(){
this.value = "";
this.status = 0;
this.list = [];
this.showCanvas = false;
this.down = false;
},
valueChange:function(e){
this.value = e.detail.value;
},
isChinese:function(value){
if (escape(value).indexOf( "%u" )<0) {
return false;
}
return true;
}
}
}
</script>
<style>
@import "../../static/uni.css";
</style>
