一、找父级节点parent
xpath://span[text()='保存']/parent::button
说明:先找到span标签,再找到父级button
一、找同级的上方标签preceding-sibling
xpath://span[text()='保存']/parent::button/preceding-sibling::button[1]
说明:先找到span标签,再找到父级button,再找同级上方第一个节点
xpath://span[text()='保存']/parent::button
说明:先找到span标签,再找到父级button
xpath://span[text()='保存']/parent::button/preceding-sibling::button[1]
说明:先找到span标签,再找到父级button,再找同级上方第一个节点