16进制转rgb
**const getRgbColor = (params,opacity) => {
if(params.startsWith('#') && (params.length === 4 || params.length === 7)){
const _str = params.substring(1)
const arr = new Array(_str.length).fill(1)
const result= params.length === 4 ? arr.map((item,index)=>`${_str[index]}${_str[index]}`).join('') : _str
let _strArr = []
for(let i = 0; i < result.length; i+=2){
_strArr.push(parseInt('0x'+result.substring(i,i+2)))
}
let _opacity = opacity
if(_opacity){
_opacity = typeof _opacity === 'boolean' ? 1 : _opacity
if(isNaN(_opacity) || (_opacity > 1)){
_opacity = 1
}else if(_opacity < 0) {
_opacity = 0
}
}else{
_opacity = 1
}
_strArr.push(_opacity)
console.log('rgba('+_strArr.join(',')+')')
return 'rgba('+_strArr.join(',')+')'
}else{
return params
}
}**
