（四）CodeMirror - API

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cm.getValue()

cm.setValue()

cm.getRange()

editor.getRange({line:1},{line:2})　　// 获取内容块字符

cm.replaceRange()

// 替换内容块内容为test
editors[‘js‘].replaceRange(‘test‘,{line:2,ch:0},{line:2})    

var lineobject = editors.getLineHandle(1)    // 获取行对象

Structure
{
    gutterMarkers: Object
    height: 14
    parent: LeafChunk
    stateAfter: Object
    styles: Array[11]
    text: "init:function() {"
}

cm.scrollTo()

editors.scrollTo(0,1000)    // 滚动到x:0,y:1000