[apache/echarts]自定义lenged，使用icon图片，将图例换位checkbox勾选形式，这种情况下使用selector全选反选后，点击某个图例全选反选会消失

https://gallery.echartsjs.com/editor.html?c=xedu5PWU1o&v=1 这是演示地址

不太确定这是否是一个Bug。不必更新全部的option，只传入legend可以解决你的问题。

myChart.on('legendselectchanged', (params) => {
    console.log(params)
    legendData.forEach(e => {
        if (e.name === params.name) {
            if (e.selected) {
                e.icon = 'image://data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAyZpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuNi1jMTM4IDc5LjE1OTgyNCwgMjAxNi8wOS8xNC0wMTowOTowMSAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvIiB4bWxuczp4bXBNTT0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL21tLyIgeG1sbnM6c3RSZWY9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9zVHlwZS9SZXNvdXJjZVJlZiMiIHhtcDpDcmVhdG9yVG9vbD0iQWRvYmUgUGhvdG9zaG9wIENDIDIwMTcgKFdpbmRvd3MpIiB4bXBNTTpJbnN0YW5jZUlEPSJ4bXAuaWlkOjhCQ0MzOUREOThEODExRUE5RTBDQTkzMkI2MEE3QUMwIiB4bXBNTTpEb2N1bWVudElEPSJ4bXAuZGlkOjhCQ0MzOURFOThEODExRUE5RTBDQTkzMkI2MEE3QUMwIj4gPHhtcE1NOkRlcml2ZWRGcm9tIHN0UmVmOmluc3RhbmNlSUQ9InhtcC5paWQ6OEJDQzM5REI5OEQ4MTFFQTlFMENBOTMyQjYwQTdBQzAiIHN0UmVmOmRvY3VtZW50SUQ9InhtcC5kaWQ6OEJDQzM5REM5OEQ4MTFFQTlFMENBOTMyQjYwQTdBQzAiLz4gPC9yZGY6RGVzY3JpcHRpb24+IDwvcmRmOlJERj4gPC94OnhtcG1ldGE+IDw/eHBhY2tldCBlbmQ9InIiPz52mSoXAAADzElEQVR42uzcT4jMfxzH8flql4s4cMCKk78p+Vuk5KT1LxEXJ6UtDsrFSS7iSk7uDg5EtOVvKNSWg4sbYi+sFYpc2Iz3d3e+GmvGfEebfOf7eNRLs/ub2cOnff6+M2aSVKvVCtBYV/pHkiR57rs51htbG+uJzXN8FMiH2NvYy9jt2JXYYMtHtbiCdMcOx4bTu5p12K7FlvxtIEtjzx2ilWCnmkWQpIE0eIq1IdYfm+7KTElcjO2LfWsVyOrYw9gUZ0YJI9lb/41J4+4wN3ZdHJTUntixP11B7sc2OidK7Htseezp+CtIrzhgtImzja4gj2LrnQ+MWhcbyK4gs8QBv9iV/tFV+2Jnmw8+XXu98sk5UgDpU6RFsQOxVTkfsyN2NHujMP2Fz/umygbnTYHdbON3/ec76edzPuCC86XgFrQRyPzsNcjMnD/8tvOl4J5Vxj6wmEdPFkh3zgd8cb50gI857zd1krOC5gQCAgGBgEBAICAQEAgIBAQCAgEEAjl1TdQP8m/88j/I+c/ouoKAQEAgIBAQCAgEBAICAYE4AhAICAQEAgIBgYBAQCAgEBAIIBAQCAgEBAICAYGAQEAgIBAQCCAQEAgIBAQCAgGBgEBAICAQQCAgEBAICAQEAgIBgYBAQCAgEEAgIBAQCAgEBAICAYGAQEAggEBAICAQEAgIBAQCAgGBgEBAIIBAQCAgEBAICAQEAgIBgYBAAIGAQEAgIBAQCAgEBAICAYGAQACBgEBAICAQEAgIBAQCAgGBgEAcAQgEBAICAYGAQEAgIBAQCAgEEAgIBAQCAgGBgEBAICAQEAgIBBAICAQEAgIBgYBAQCAgEBAIIBAQCAgEBAICAYGAQEAgIBAQCCAQEAgIBAQCAgGBgECg43RN1A9KksRp4goCAgEEAgIBgYBAQCAgEBAICAQEAgIBBAICAYHAvwtkJOf9JzsyOkDe3+ORLJDhnA9Y6WwpuKmxZTnvO5QFMpTzAX2x2c6YAjvexn3fVKrVanpjf6yacy9iW2PTnDUFsjh2po3f89fpg5I0kCRJZsTtd+nXzhFGnYsdzJ5ivY89cCbw06X6K0h6e1PsrnOBykBsXXqj/n2Qe7EbzgYqh7Ib498o7Ku9FoGyOhF7kn1R/xQrsyb2KNbtrCiZ/tj2+m80+qjJ49iW2GfnRYlcju0e/81mn8W6E1sfG3RulMDJWhxff/svtTcKm0k/s3KkMvbXwFWzDtvV2MI/BdDoNUgz6dOubbEVsTmxef7HQ4F8qIx9pCr9JMit2uuNV60elLS4gkCp/RBgAKHG2S23r3+PAAAAAElFTkSuQmCC'
            } else {
                e.icon = 'image://data:image/png;base64,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'

            }
            e.selected = !e.selected
        }
    })
    // myChart.setOption(option)
    console.log(legendData)
    myChart.setOption({
        legend: {
            data: legendData
        }
    })
})

// 全选 此事件API文档未提供描述
myChart.on('legendselectall', (params) => {
    console.log('legendselectall', params)
    legendData.forEach(e => {
        e.selected = true
        e.icon = 'image://data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAQP0lEQVR4Xu2dechuVRXGf1bapCiWYZY2mYoGklNaapmaMxaR5dBgSnibNMghvZljWgYZFBqYheKUZGXmmGmppU0iFpGZNqGVKaUR0aDx6Hnx8973+95zzt7nvOvs86x/Lpdv73X2/u3zvGdae61VsJmACSxKYJUGbHYD9gC2AV4EbNCgr5uawLwJPAT8GbgXuA74OvC7WYOaJZBVgWXAcmCdWc78dxMYGIFvAUcDv1xs3EsJZFPgcuAVA5u0h2sCTQmcBhw7rdNiAtkeuAJYs+mR3N4EBkrgUuBA4D8Lxz9NIFsBNwPPHOhEPWwTaEtAItlvKYG8GLgdeH7bI7ifCQycwMeBUyZzWPEKciPw+oFP0MM3gRQCjwKbAz+Xk4UC0SvcK1M8u68JFELgBuCNKwrkFuC1hUzQ0zCBVALbAbdOriDrAvenenR/EyiIwBnAUROBHAac1WBynwX0vPJwgz5uagLzIqDzfGPgUGDLmoP4FbDJRCA64Y+o2XGH6jVwzeZuZgKhCFwDvKnmiFaZCOR84KAanS4G9q/Rzk1MICqBVwJ31RzcSycCuQrYvUanQ4Bza7RzExOITOAe4GU1Bvi6iUC+A+xco8M7gEtqtHMTE4hM4KfAFjUGuJsFUoOSmxRHwAIpbkk9oZwELJCcNO2rOAIWSHFL6gnlJGCB5KRpX8URsECKW1JPKCcBCyQnTfsqjoAFUtySekI5CVggOWnaV3EELJDiltQTyknAAslJ076KI2CBFLeknlBOAhZITpr2VRwBC6S4JfWEchKwQHLStK/iCFggxS2pJ5STgAWSk6Z9FUfAAiluST2hnAQskJw07as4AhZIcUvqCeUkYIHkpGlfxRGwQIpbUk8oJwELJCdN+yqOgAVS3JIOf0LPBbaupqHEbb+f45QskDnC96FXJnAMcCSw9oI/fRk4bk5VBSwQn6UhCDwHuBpQwvNp9kBVqObxak49mgXSI2wfajqB1QBlUn/DDEB/AVSsRrddfZkF0hdpH2cqgacD3wD2rsnnD8C2wH0126c2s0BSCbp/EoELW5TJUEkClQB8MOnI9TpbIPU4uVUHBM4EDm/p947qeeWRlv3rdrNA6pJyu6wElgMnJ3r8QVWK41+JfpbqboF0CNeupxNoWudyKY7XAnsB/+0ItgXSEVi7nU5AZfkuACb1ZnJw+hqwH/BoDmcr+LBAOoBql9MJqCDmlYDeXOW2rwAH53YKWCAdQLXLlQnordP1wLM6hPMpQF/ic5oFkpOmfU0lsDlwE7BGD3xUovxzGY9jgWSEaVcrE9gI0Num5/UIR7dauuXKYRZIDor2MZXA+sCtwHo989HDuh7a9fCeahZIKkH3n0pAVwxdOXQFmZdtVT1kpxzfAkmh575TCehZQ88cevaYp91ZjeGxhEFYIAnw3HVlAnpLdR2wfRA4+wBXJIzFAkmA565PJfAM4NuAvndEsROAExMGY4EkwHPXpxK4pHo4jsTlPODdCQOyQBLgueuTBLQt9j0BgRyfGBRpgQRc1KEN6VTg2KCD3qPaytt2eBZIW3Lu9zgB7efQvo6I9hNgG8BvsSKuzgjG9F7gS4HnuSXws8Tx+QqSCHCs3d8KfBV4WkAAumK8zV/SA67MSIak7CP61qHXuhFtGXB2poH5CpIJ5FjcKOPhjYDyWEU0beXVS4NcZoHkIjkCP5sBNwNrBZ2rwtwV7p7TLJCcNAv29XLgh8ALgs7xIuCADsZmgXQAtTSXCldX2LrC1yOaYq3eDPyvg8FZIB1ALcmlbqdum3PY+lI89Ty0G/DvjqBbIB2BLcGtHsR1Ak5KEUSb04+rfL7/7HBgFkiHcIfsum5C6XnN8RdVSP3fOh6ABdIx4CG6b5pQuu85KoG1dgsq23vXZoF0TXhg/pXQTYndlOAtovVdAsECiXgWzHFMZwFKDRrRdDulnYq6verLLJC+SA/gONo7kbL7rssp6kFcIS56MO/TLJA+aQc+Vs6E0rmnqcTUu1Zv1HL7nuXPAplFaAR/7yKhdC5sOXNctRmTBdKGWkF9VPpMJdC6SCidA1POLIltxlOcQDYGXlilwv9+GyIj6rNjVTyzy4TSKThVDvozKQ4y9C1GIJsCpwPKgzSxP1YPnedkAFWaC+2201fy1YNOTGv5sQBjK0IguwCXA89eBOjFgd/rz+Mc2AS4BVh7HgevcUxt4z20Rrs+mgxeIHXrTnRVYKWPRcp5jHkllK47hy6rRdUdw8J2gxaINvBoj0LduhNdbKhpA31efbSXQ7y0tyOidV1vsM2cByuQtht4VIFIlYjGZvoRkTj0oxLR9AFQLw26rFjbZt6DFEjqBp55vzpss1ApffSWSuXPdDsa0fqKzG0z98EJJEfdCX182jcx63cb2PPoEzGh9EIO9wDb9RSZ24b/oASSs+6EdqBpJ5pedZZqylml3FXKYRXR7gO2BRS+HtUGI5AubhPmFQDX18kQNaG05q/I3NcAd/UFo+VxBiGQLm8ThrJQTddX+XKVNzeiDemHKbxA+rhNGMKlvsmJfnQVVdCkT19th3ZrG14gfd0m6GFRmcAf7OtM6eg4qtEhZhFNaXmUnielJFrf8wotkL5vE+4AdgAe6XsVMh0vekLpAwEleBuShRWIAtU+OQeSKl28c8APVrNQqC6g6gOOIaH0LBY5/x5SIG8BLss5y4a+dAuwMCq4Yffem+sDoLKtR00ofTKg7bxDtHACUfj1r4F150xTtwK6JUipTtTHFJrGo/UxpoXHUBkClSMYqoUTyEeBM4LQ/ALwwSBjmTaMDQHdEq4TdIwXVj8yQYdXa1jhBKK9G2+vNfR+Gn0COKmfQzU6Smo8WqODtWisyNw9O0oo3WI4rbuEE4gKL2q3WyR7P6B8UVFM8Wiq06GNTxFNY1MWkmiRuW1YhRNIxGL0OWvetVmkhX1yxqOljmVa/6G/Kl9xTuEEclTg/Rq6Zbiqi7Oqpk/Fo11T7Zuo2aXXZndXkbl/7fWo3R4snECivMWahl23DPpGogfjvi16QmmF66hMgv4tycIJRHDn/R1kqQX+e/W1/c6ez4LzgYN6Pmbdw+mKoT0duoKUZiEFIsjHAacEpd13hvHICaUVlqPwHD17lGhhBSLYkU+MvmpUKJl01K/Q87zl7EuMoQUSvVZF13upIyeUVmSuXlroe0fJFlogAq+H0ysBBeNFtK7q5EVOKK3X3kOMzG1z/oQXiCbVxXbbNrAW66N97fowpjT9OSx6QmnFVinGagw2CIFoIaLndcqVEVBFYvStQ0U0I5qehxSdOxYbjEC0INEzA6amN9V3BF2NooatDz0yt42oByUQTVC5ZRWvJbFENG3y0ivqprYRcBuwVtOOPbUfSvh/bhyDE4gAaA+EAuKinkxHAMoDXNeiJ5TWBjLtJdebq7HZIAWiRdLtiArkRC3+ckDN/dfRbxt1y6cEe8pGMkYbrEC0WJH3YdfJ4KEroK6EURNK6+u4tvMqj9VYbdAC0aIpk8elgD4qRjP96u60SHCjHsT166wrYURTxkOJY+hpkFLZDl4gAhD5i/O0WCVlHlGSBb3SjWgKo1HO3NIic9uwLkIgmri2xp7QhkAPffQrrF9j/Sr3kSkyZUp9B2KmjLWPvsUIRLAiBzdO9kucCij7YURTnuLtAcWY2Z4gUJRANCFl0lAcU0TTXpI1Iw6sGpOucqpCZXuSQHEC6TITfKknjmLI9hpBZG6b9StOIIKgbyP6RhL1DVGbheqqj6pt7Qcolsy2MoEiBaJpRv/GEOVkHFu9xqbcixWIQOgrteK2FMphW5mAEoSfbjBLEihaIJp523LRpZ83Y68ZX3d9ixeIQERP8Fx3sXK1Sw3LzzWOIfgZhUC0EHqFqVrhUYMb+zpZcm3s6mu88z7OaAQi0Apu1P527XMfo+XeGjwGhqMSiBY0cjKELk+4rpJLdDnmCL5HJxBBjxzc2MVJ0XV6oi7GHMXnKAUi+Eo8sDzKKnQ4DlXvVVpQBSHamhMYrUCEqq8S082XJU8PiWIrQOHrtnYERi2Q6KHn7Zb0iV6OzE2h92TfUQtEGKJvXmqzzNoiq81YejC3pREYvUCEL/r21yZLrG2+SrKgV7q2dAIWSMVQwY3KS6X8VEM1RebuCyhNjy0PAQtkAcfolWNnLbkjc2cRav53C2QFZgpu/BGgSrJDsqbJ6oY0t3mO1QKZQn9z4KYqYfY8F6fusdumO63rf8ztLJBFVl/BjTcEzrI+GbYjc7uVrwWyBN/odTocmdutOOTdApnBWMGNypQSzVT6TIkWchXtiTa/KOOxQGqsxOHAmTXa9dVEddpVr11FNG3dErBAavI9DTimZtsumymhtMouK6WprXsCFkgDxucAhzRon7vp3dXOyAdyO7a/RQlYIA1ODtUNVP3AeSSdVupSJZR2ZG6DBcvQ1AJpCHEecVsLk183HK6bJxKwQFoA7DMp3bTyCS2G7C4tCVggLcH1UTptqQI8LYftbg0JWCANgS1s3mXxzTol3BKG7q41CVggNUEt1kzh8foukTO48THgwJpFQBOH7+4zCFggGU6R3MGNy4CzM4zLLtIJWCDpDB/3oOBG1R3UW64UOzFwKbmUeQ21rwWSceV2TSxC83ngQxnHY1fpBCyQdIZP8bAn8M0qGUQT1xdVzx16/rDFIWCBdLAWqth0SQO/l1d7yRt0cdOeCFggHYF+H/DFGr71BmwnQN88bPEIWCAdrsmngSOX8K/qVxLHPzocg12nEbBA0vjN7P1h4KQp5Z8VGax9JkryZotLwALpYW3WqMLkFcOlHYAXAPf2cFwfIp2ABZLO0B4KJmCBFLy4nlo6AQsknaE9FEzAAil4cT21dAIWSDpDeyiYgAVS8OJ6aukELJB0hvZQMAELpODF9dTSCVgg6QztoWACFkjBi+uppROwQNIZ2kPBBCyQghfXU0snYIGkM7SHgglYIAUvrqeWTsACSWdoDwUTsEAKXlxPLZ2ABZLO0B4KJmCBFLy4nlo6AQsknaE9FEzAAil4cT21dAIWSDpDeyiYgAVS8OJ6aukELJB0hvZQMAELpODF9dTSCVgg6QztoWACFkjBi+uppRNoLJCrgd1qHPddwPk12rmJCUQmcCfwqhoD3HmVqtF5wDtrdDgT+EiNdm5iAlEJrA6oTn0d22wikFkp/SfOlLV8Q+D+Ot7dxgQCEqh7rmvoa08EcjBwbs3J3AMo/f9NwMM1+7iZCcybwCbAYVV5ijpj0UVgvYlAVA/8AWDy/zoO3MYESiagkt3LFgrie8COJc/YczOBBgR2Aa5fKBCVDftuAwduagKlErgV2E6TW/GW6ipg91Jn7XmZQE0CWwC3TxPI+oA+oqxT05GbmUBpBE4Gjp9MatpD+dbALcCqpc3c8zGBGQSuAPZZ2Gaxt1Z6QLkMUKFKmwmMgYDO9/1XrG2/1GtdfYqXol4yBjqe46gJnAosn0Zg1neP1YAPVJ3XHjVCT75EApcDRwJ3LTa5WQJZ2G9PYG/g1frCCGxQIjHPqVgCDwF/An4DXFvdHf121mybCGSWL//dBIoj8H9gwydXY/GgFQAAAABJRU5ErkJggg=='
    })
    console.log(legendData)
    myChart.setOption({
        legend: {
            data: legendData
        }
    })
})

// 反选 此事件API文档未提供描述
myChart.on('legendinverseselect', (params) => {
    console.log('legendinverseselect', params)
    legendData.forEach(e => {
        e.selected = false
        e.icon = 'image://data:image/png;base64,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'
    })
    console.log(legendData)
    myChart.setOption({
        legend: {
            data: legendData
        }
    })
})

API有提供全选/反选的事件和action 只是文档未说明 全选的action是 legendAllSelect 反选的action是 legendInverseSelect 全选的event是 legendselectall 反选的event是 legendinverseselect

这么写还有些bug关于反选，我在改下 感谢！！

https://gallery.echartsjs.com/editor.html?c=xedu5PWU1o&v=2 我将最终修改的代码已修改 仅供参考 如果遇到和我一样需求的人 希望有所帮助