PHP(gzdeflate/gzinflate)+JS(pako)前后端数据压缩

JS前端压缩和解压

第三方工具库 pako

• doc: http://nodeca.github.io/pako/

• github: https://github.com/nodeca/pako

• cdn: https://www.jsdelivr.com/package/npm/pako?path=dist

• npmjs： https://www.npmjs.com/package/pako

前端工具类

/**
* util.js
*/

// uint8array转为base64字符串
function uint8arrayToBase64(u8Arr) {
  let CHUNK_SIZE = 0x8000; //arbitrary number
  let index = 0;
  let length = u8Arr.length;
  let result = '';
  let slice;
  while (index 




	// JS压缩，注意：需要引入dist/pako_deflate.js(仅支持压缩)或dist/pako.js(支持压缩和解压)
	function compress(data) {
	  return uint8arrayToBase64(pako.deflateRaw(data, {
	    to: 'string'
	  }))
	}
	
	var data = {
	  title: "满江红·为问封姨",
	  author: "纳兰性德〔清代〕",
	  date: "2022-04-02",
	  content: "为问封姨，何事却、排空卷地。又不是、江南春好，妒花天气。叶尽归鸦栖未得，带垂惊燕飘还起。甚天公、不肯惜愁人，添憔悴。搅一霎，灯前睡。听半晌，心如醉。倩碧纱遮断，画屏深翠。只影凄清残烛下，离魂飘缈秋空里。总随他、泊粉与飘香，真无谓。"
	}
	var compressedBase64 = compress(JSON.stringify(data));
	console.log(compressedBase64);
	// TZDLTsJQFEX/pWNNCHHk3xA10cRoYurImLRFQAoFguWhVnkoRQyP1leblkLir3DPub0jf8FzHTndZ+19dvaFoh6pxwfKroLxAP0ej4bfAQsj0ZmDp8P4RdlScufq4ekZITx6h4KH2hhWwUazMSyw+GmjtYjZz6kyJJvJZrczO9uZLGl7pyfqwYlK8v/An2WVJS0WVcD62Gg61pp8EoEVgONtNAPq1yy0sLuQJ78HVge7Ixgl5AK3mZo+PE/Qs//IL/ASSJoidLHfRucVVh2JhS48Gpg3eaklnrrpupt+UluD23fkhcKUkulFaiww7+CVzqKIXBjEWLTRoEoGNgos1IRTI53rCyhb/GEgPzamYJl4W5Vf1nlwDVEsS12b8OGYR77Q59ieSZcdg1/HwOfr/l/VV0h8KF3RYjiv8Pw9CysSc2MxM6gkX17zcYV2EKWqLKDF4q7O4rYc4d3kb2UW1ggT7q10OT3s9FPvhkjl8hc=

2、解压

    // JS解压，注意：需要引入dist/pako_inflate.js(仅支持压缩)或dist/pako.js(支持压缩和解压)
    function decompress(str) {
      return pako.inflateRaw(base64ToUint8Array(str), {
        to: 'string'
      });
    }
    
    let str  = 'TZDLTsJQFEX/pWNNCHHk3xA10cRoYurImLRFQAoFguWhVnkoRQyP1leblkLir3DPub0jf8FzHTndZ+19dvaFoh6pxwfKroLxAP0ej4bfAQsj0ZmDp8P4RdlScufq4ekZITx6h4KH2hhWwUazMSyw+GmjtYjZz6kyJJvJZrczO9uZLGl7pyfqwYlK8v/An2WVJS0WVcD62Gg61pp8EoEVgONtNAPq1yy0sLuQJ78HVge7Ixgl5AK3mZo+PE/Qs//IL/ASSJoidLHfRucVVh2JhS48Gpg3eaklnrrpupt+UluD23fkhcKUkulFaiww7+CVzqKIXBjEWLTRoEoGNgos1IRTI53rCyhb/GEgPzamYJl4W5Vf1nlwDVEsS12b8OGYR77Q59ieSZcdg1/HwOfr/l/VV0h8KF3RYjiv8Pw9CysSc2MxM6gkX17zcYV2EKWqLKDF4q7O4rYc4d3kb2UW1ggT7q10OT3s9FPvhkjl8hc=';
    var rawData = decompress(str);
    console.log(rawData);
    // {"title":"满江红·为问封姨","author":"纳兰性德〔清代〕","date":"2022-04-02","content":"为问封姨，何事却、排空卷地。又不是、江南春好，妒花天气。叶尽归鸦栖未得，带垂惊燕飘还起。甚天公、不肯惜愁人，添憔悴。搅一霎，灯前睡。听半晌，心如醉。倩碧纱遮断，画屏深翠。只影凄清残烛下，离魂飘缈秋空里。总随他、泊粉与飘香，真无谓。"}

PHP端压缩和解压 1、压缩